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    <item>
      <title>Lie algebras, expanded into the sum of Abelian and nilpotent subalgebras</title>
      <pubDate>Tue, 24 Mar 2026 03:44:28 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9153</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9153</guid>
      <author>Petravchuk , A. P.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Petravchuk , A. P.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Factorization of linear groups and groups possessing a normal system with linear factors</title>
      <pubDate>Tue, 24 Mar 2026 03:44:27 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9150</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9150</guid>
      <author>Chernikov , N. S.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Chernikov , N. S.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Compositional formations and finite-group radicals</title>
      <pubDate>Tue, 24 Mar 2026 03:44:27 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9151</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9151</guid>
      <author>Shemetkov , L. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Shemetkov , L. A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Finite $ABA$-groups with Abelian $p$-subgroups $A$ and $B$</title>
      <pubDate>Tue, 24 Mar 2026 03:44:26 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9149</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9149</guid>
      <author>Sysak , Ya. P.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Sysak , Ya. P.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Kazdan–Warner equation on hypergraphs</title>
      <pubDate>Tue, 24 Mar 2026 03:44:26 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9163</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9163</guid>
      <author>Zhang, Haigang</author>
      <dc:format>Article</dc:format>
      <dc:date>2026</dc:date>
      <dc:creator>Zhang, Haigang</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>An exact matrix representation of the Abels group holomorphs</title>
      <pubDate>Tue, 24 Mar 2026 03:44:24 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9147</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9147</guid>
      <author>Merzlyakov , Yu. I.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Merzlyakov , Yu. I.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Asymptotic decomposition of fully integrable Pfaff systems with perturbation</title>
      <pubDate>Tue, 24 Mar 2026 03:44:24 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9148</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9148</guid>
      <author>Mitropolsky , Yu. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Mitropolsky , Yu. A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>A group of data base automorphisms</title>
      <pubDate>Tue, 24 Mar 2026 03:44:23 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9145</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9145</guid>
      <author>Maftsir , E. S.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Maftsir , E. S.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On groups high in almost normal subgroups</title>
      <pubDate>Tue, 24 Mar 2026 03:44:22 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9143</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9143</guid>
      <author>Kurdachenko , L. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Kurdachenko , L. A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Nonperiodic groups whose all expanded $pd$-subgroups are normal</title>
      <pubDate>Tue, 24 Mar 2026 03:44:22 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9144</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9144</guid>
      <author>Liman , F. N.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Liman , F. N.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On groups with invariant infinite non-Abelian subgroups</title>
      <pubDate>Tue, 24 Mar 2026 03:44:20 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9141</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9141</guid>
      <author>Kuzenny , N. F.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Kuzenny , N. F.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>New characterizations of locally nilpotent $\bar{IH}$-groups</title>
      <pubDate>Tue, 24 Mar 2026 03:44:20 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9142</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9142</guid>
      <author>Kuzenny , N. F.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Kuzenny , N. F.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On direct decompositions of infinite Abelian groups with operators</title>
      <pubDate>Tue, 24 Mar 2026 03:44:18 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9139</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9139</guid>
      <author>Zaitsev , D. I.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Zaitsev , D. I.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Groups with finiteness conditions and other restrictions for subgroups</title>
      <pubDate>Tue, 24 Mar 2026 03:44:17 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9136</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9136</guid>
      <author>Charin , V. S.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Charin , V. S.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Groups with the finite number of infinite classes of conjugated subgroups</title>
      <pubDate>Tue, 24 Mar 2026 03:44:17 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9140</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9140</guid>
      <author>Izosov , A. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Izosov , A. V.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Systems of linear inequalities in mathematical programming and pattern recognition</title>
      <pubDate>Tue, 24 Mar 2026 03:44:16 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9137</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9137</guid>
      <author>Eremin , I. I.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Eremin , I. I.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On finite $A$-groups in which all nonmetacyclic subgroups are complementable</title>
      <pubDate>Tue, 24 Mar 2026 03:44:16 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9138</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9138</guid>
      <author>Baryshovets , P. P.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Baryshovets , P. P.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>The 11th International Conference on Nonlineal Oscillations</title>
      <pubDate>Tue, 24 Mar 2026 03:44:14 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9132</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9132</guid>
      <author>Mitropolsky , Yu. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Mitropolsky , Yu. A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On quasi-entering flow for the system $M/G/1/\infty$</title>
      <pubDate>Tue, 24 Mar 2026 03:44:13 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9130</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9130</guid>
      <author>Falin , G. I.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Falin , G. I.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Stability estimates of certain methods of approximation by local splines</title>
      <pubDate>Tue, 24 Mar 2026 03:44:13 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9131</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9131</guid>
      <author>Khizha , A. L.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Khizha , A. L.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>High-frequency kernel in the algorithm of function restoration from the projections for diverging beams</title>
      <pubDate>Tue, 24 Mar 2026 03:44:12 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9128</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9128</guid>
      <author>Tarasenko-Zelenaya , L. I.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Tarasenko-Zelenaya , L. I.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On inequalities of the Turan type in certain integral metrics</title>
      <pubDate>Tue, 24 Mar 2026 03:44:10 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9129</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9129</guid>
      <author>Tyrygin , I. Ya.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Tyrygin , I. Ya.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Application of asymptotic method to the study of one hyperbolic impulse system</title>
      <pubDate>Tue, 24 Mar 2026 03:44:09 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9126</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9126</guid>
      <author>Rogovchenko, S. P.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Rogovchenko, S. P.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Approximation method in one boundary value problem for linear differential equation with polynomial coefficients</title>
      <pubDate>Tue, 24 Mar 2026 03:44:09 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9127</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9127</guid>
      <author>Sinaisky , E. S.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Sinaisky , E. S.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Certain problems of existence of invariant toroidal sets in the systems of difference equations</title>
      <pubDate>Tue, 24 Mar 2026 03:44:07 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9125</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9125</guid>
      <author>Pankov , V. G.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Pankov , V. G.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Estimate of the convergence rate of the interpolation polynomial derivative on the classes of differentiable functions</title>
      <pubDate>Tue, 24 Mar 2026 03:44:06 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9122</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9122</guid>
      <author>Kushpel , A. K.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Kushpel , A. K.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Central limiting theorem in the Banach space</title>
      <pubDate>Tue, 24 Mar 2026 03:44:06 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9123</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9123</guid>
      <author>Matsak , I. К.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Matsak , I. К.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On tensor products of unitary representations $SL_3(R)$</title>
      <pubDate>Tue, 24 Mar 2026 03:44:06 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9124</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9124</guid>
      <author>Neretin , Yu. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Neretin , Yu. A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Wiener process in a thin domain</title>
      <pubDate>Tue, 24 Mar 2026 03:44:04 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9120</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9120</guid>
      <author>Gasanenko , V. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Gasanenko , V. A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Biharmonic potentials and plane isotropic fields of displacement</title>
      <pubDate>Tue, 24 Mar 2026 03:44:04 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9121</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9121</guid>
      <author>Kovalev , V. F.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Kovalev , V. F.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Amplified contour-body theorems for subharmonic functions</title>
      <pubDate>Tue, 24 Mar 2026 03:44:02 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9118</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9118</guid>
      <author>Tamrazov , P. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Tamrazov , P. M.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On the integral function derivative</title>
      <pubDate>Tue, 24 Mar 2026 03:44:02 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9119</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9119</guid>
      <author>Sheremeta , M. N.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Sheremeta , M. N.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Algebras of symmetries of completely integrable dynamic systems</title>
      <pubDate>Tue, 24 Mar 2026 03:44:01 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9115</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9115</guid>
      <author>Samoilenko , V. Gr.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Samoilenko , V. Gr.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Approximation by the Fourier operators of the functions preset on a real axis</title>
      <pubDate>Tue, 24 Mar 2026 03:44:01 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9116</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9116</guid>
      <author>Stepanets , A. I.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Stepanets , A. I.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Asymptotic theory of $U$-statistics</title>
      <pubDate>Tue, 24 Mar 2026 03:43:58 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9113</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9113</guid>
      <author>Korolyuk , V. S.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Korolyuk , V. S.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On motion equations for a heavy solid in the Rodrigues-Hamilton parameters</title>
      <pubDate>Tue, 24 Mar 2026 03:43:58 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9114</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9114</guid>
      <author>Koshlyakov , V. N.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Koshlyakov , V. N.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Asymptotic behaviour of the solution of Cauchy’s problem for stochastic equation of parabolic type</title>
      <pubDate>Tue, 24 Mar 2026 03:43:57 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9112</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9112</guid>
      <author>Dorogovtsev , A. Ya.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Dorogovtsev , A. Ya.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Limiting theorem for the parametrical stochastic operator systems</title>
      <pubDate>Tue, 24 Mar 2026 03:43:56 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9111</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9111</guid>
      <author>Butsan , G. P.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Butsan , G. P.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>On observability of linear and bilinear systems of the Hilbert space</title>
      <pubDate>Tue, 24 Mar 2026 03:43:55 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9108</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9108</guid>
      <author>Belikov , S. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Belikov , S. A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On Kolmogorov’s statistics in case of piecewise-continuous distribution function</title>
      <pubDate>Tue, 24 Mar 2026 03:43:55 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9109</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9109</guid>
      <author>Bondarev , В. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Bondarev , В. V.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Commutating self-conjugate expansion of the system of Hermitian operators</title>
      <pubDate>Tue, 24 Mar 2026 03:43:55 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9110</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9110</guid>
      <author>Bokhonov , Yu. E.</author>
      <dc:format>Article</dc:format>
      <dc:date>1988</dc:date>
      <dc:creator>Bokhonov , Yu. E.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Analysis of perturbations of singular values in concatenated matrices</title>
      <pubDate>Tue, 24 Mar 2026 03:43:53 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9103</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9103</guid>
      <author>Shamrai, M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2026</dc:date>
      <dc:creator>Shamrai, M.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>On the domain of analytic continuation of Lauricella–Saran’s hypergeometric functions $F_M$ and their ratios</title>
      <pubDate>Tue, 24 Mar 2026 03:43:52 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9105</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9105</guid>
      <author>Dmytryshyn, R.</author>
      <dc:format>Article</dc:format>
      <dc:date>2026</dc:date>
      <dc:creator>Dmytryshyn, R.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Balancing sign of the locally compact group	</title>
      <pubDate>Tue, 24 Mar 2026 03:43:49 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9071</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9071</guid>
      <author>Pestov, V. G.</author>
      <dc:format>Article</dc:format>
      <dc:date>1987</dc:date>
      <dc:creator>Pestov, V. G.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Approximate solution of singular integral first type equations by the method of orthogonal polynomials	</title>
      <pubDate>Tue, 24 Mar 2026 03:43:48 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9070</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9070</guid>
      <author>Noreddin, M. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>1987</dc:date>
      <dc:creator>Noreddin, M. M.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>The Mors numbers and minimal Mors functions on the non-singly-connected manifolds	</title>
      <pubDate>Tue, 24 Mar 2026 03:43:48 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9072</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9072</guid>
      <author>Sharko, V. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>1987</dc:date>
      <dc:creator>Sharko, V. V.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Existence theorem for refined order of analytical functions </title>
      <pubDate>Tue, 24 Mar 2026 03:43:46 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9068</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9068</guid>
      <author>Kasana, Kh. S.</author>
      <dc:format>Article</dc:format>
      <dc:date>1987</dc:date>
      <dc:creator>Kasana, Kh. S.</dc:creator>
      <slash:comments>0</slash:comments>
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      <title>Non-local Stefan-type problem for the hyperbolic first order system </title>
      <pubDate>Tue, 24 Mar 2026 03:43:46 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9069</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9069</guid>
      <author>Kirilich, V. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>1987</dc:date>
      <dc:creator>Kirilich, V. M.</dc:creator>
      <slash:comments>0</slash:comments>
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      <title>Sharp bound for the second Hankel determinant for a $q$-starlike function associated with the $q$-exponential function</title>
      <pubDate>Tue, 24 Mar 2026 03:43:46 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9106</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9106</guid>
      <author>Kumar, Karri Sanjay</author>
      <dc:format>Article</dc:format>
      <dc:date>2026</dc:date>
      <dc:creator>Kumar, Karri Sanjay</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>On Dirichlet’s problem for the elasticity theory operator </title>
      <pubDate>Tue, 24 Mar 2026 03:43:45 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9065</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9065</guid>
      <author>Bulavenko, E. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>1987</dc:date>
      <dc:creator>Bulavenko, E. V.</dc:creator>
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