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    <item>
      <title>Good Wild Harmonic Bundles and Good Filtered Higgs Bundles</title>
      <pubDate>Fri, 17 Apr 2026 18:13:30 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/nasplib_isofts_kiev_ua-123456789-211355</link>
      <guid>https://harvester.nas.gov.ua/Record/nasplib_isofts_kiev_ua-123456789-211355</guid>
      <author>Mochizuki, Takuro</author>
      <dc:format>Article</dc:format>
      <dc:date>2021</dc:date>
      <dc:creator>Mochizuki, Takuro</dc:creator>
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    </item>
    <item>
      <title>Complementary Modules of Weierstrass Canonical Forms</title>
      <pubDate>Fri, 17 Apr 2026 17:22:35 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/nasplib_isofts_kiev_ua-123456789-211806</link>
      <guid>https://harvester.nas.gov.ua/Record/nasplib_isofts_kiev_ua-123456789-211806</guid>
      <author>Komeda, Jiryo</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
      <dc:creator>Komeda, Jiryo</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>A survey of the theory of operator polynomial interpolation</title>
      <pubDate>Tue, 24 Mar 2026 03:43:25 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9036</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-9036</guid>
      <author>Makarov, V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2026</dc:date>
      <dc:creator>Makarov, V.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Research Conference of young mathematicians of the Ukraine	</title>
      <pubDate>Tue, 24 Mar 2026 03:42:16 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-8750</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-8750</guid>
      <author>Kozubovskaya, I. G.</author>
      <dc:format>Article</dc:format>
      <dc:date>1966</dc:date>
      <dc:creator>Kozubovskaya, I. G.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Briefly about scientific heritage of M. Kravchuk, Member of the Academy of Sciences of Ukraine</title>
      <pubDate>Tue, 24 Mar 2026 03:36:25 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-8119</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-8119</guid>
      <author>Parasyuk , О. S.</author>
      <dc:format>Article</dc:format>
      <dc:date>1992</dc:date>
      <dc:creator>Parasyuk , О. S.</dc:creator>
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    <item>
      <title>On virial expansions of correlation functions. Canonical ensemble</title>
      <pubDate>Tue, 24 Mar 2026 03:32:42 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7504</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7504</guid>
      <author>Pogorelov, Yu.</author>
      <dc:format>Article</dc:format>
      <dc:date>2023</dc:date>
      <dc:creator>Pogorelov, Yu.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>On the 85th birthday of Anatolii Mykhailovych Samoilenko (02.01.1938 – 04.12.2020), outstanding Ukraininan mathematician </title>
      <pubDate>Tue, 24 Mar 2026 03:32:13 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7315</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7315</guid>
      <author>Kushnir, R. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2023</dc:date>
      <dc:creator>Kushnir, R. M.</dc:creator>
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    <item>
      <title>Approximations of the Mittag-Leffler operator function with exponential accuracy and their application to solving of evolution equations with  fractional derivative in time</title>
      <pubDate>Tue, 24 Mar 2026 03:31:27 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7097</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7097</guid>
      <author>Gavrilyuk , I. P.</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
      <dc:creator>Gavrilyuk , I. P.</dc:creator>
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    <item>
      <title>Direct and inverse approximation theorems in the Besicovitch – Musielak – Orlicz spaces of almost periodic functions </title>
      <pubDate>Tue, 24 Mar 2026 03:31:13 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7045</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7045</guid>
      <author>Chaichenko , S. O.</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
      <dc:creator>Chaichenko , S. O.</dc:creator>
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    <item>
      <title>On reduction of the (1+3)-dimensional inhomogeneous Monge-Ampère equation to the first-order partial differential equations</title>
      <pubDate>Tue, 24 Mar 2026 03:31:03 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6996</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6996</guid>
      <author>Fedorchuk, V. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
      <dc:creator>Fedorchuk, V. M.</dc:creator>
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    <item>
      <title>Why many ukrainian mathematicians will not attend the ICM in Russia</title>
      <pubDate>Tue, 24 Mar 2026 03:30:50 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6953</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6953</guid>
      <author>Editorial board, .</author>
      <dc:format>Article</dc:format>
      <dc:date>2026</dc:date>
      <dc:creator>Editorial board, .</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>On the 100th birthday of outstanding scientist Ostap Stepanovych Parasyuk (20.12.1921 – 22.11.2007): Ostap Stepanovich Parasyuk</title>
      <pubDate>Tue, 24 Mar 2026 03:30:33 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6873</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6873</guid>
      <author>Zagorodnii , A. G.</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
      <dc:creator>Zagorodnii , A. G.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Fundamental solutions of the Stokes system in quaternion analysis</title>
      <pubDate>Tue, 24 Mar 2026 03:28:31 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6510</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6510</guid>
      <author>Dinh, Doan Cong</author>
      <dc:format>Article</dc:format>
      <dc:date>2026</dc:date>
      <dc:creator>Dinh, Doan Cong</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Left and right B-fredholm operators</title>
      <pubDate>Tue, 24 Mar 2026 03:27:07 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6331</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6331</guid>
      <author>Abdmouleh, F.</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
      <dc:creator>Abdmouleh, F.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Pseudo almost periodic solutions in the alpha-norm and Stepanov&amp;#039;s sense for some evolution equations</title>
      <pubDate>Tue, 24 Mar 2026 03:27:02 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6315</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6315</guid>
      <author>Rebey, A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
      <dc:creator>Rebey, A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>New fast methods to compute the number of primes less than a given value</title>
      <pubDate>Tue, 24 Mar 2026 03:26:26 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6193</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6193</guid>
      <author>Teruel, G. R. P.</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
      <dc:creator>Teruel, G. R. P.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Generalized derivations acting on multilinear polynomials as a Jordan homomorphisms</title>
      <pubDate>Tue, 24 Mar 2026 03:26:05 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6108</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6108</guid>
      <author>Tiwari, S. K.</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
      <dc:creator>Tiwari, S. K.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Differential Contour-Solid problem of Analytic Functions</title>
      <pubDate>Tue, 24 Mar 2026 03:13:55 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-5283</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-5283</guid>
      <author>Tamrazov, P. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>1996</dc:date>
      <dc:creator>Tamrazov, P. M.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Estimate of error of an approximated solution by the method of moments of an operator equation</title>
      <pubDate>Tue, 24 Mar 2026 03:12:25 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-5201</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-5201</guid>
      <author>Gorbachuk, M. L.</author>
      <dc:format>Article</dc:format>
      <dc:date>1996</dc:date>
      <dc:creator>Gorbachuk, M. L.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Stability of solutions of pulsed systems</title>
      <pubDate>Tue, 24 Mar 2026 03:08:48 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-4989</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-4989</guid>
      <author>Perestyuk, N. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>1997</dc:date>
      <dc:creator>Perestyuk, N. A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Investigations of dnepropetrovsk mathematicians related to inequalities for derivatives of periodic functions and their applications</title>
      <pubDate>Tue, 24 Mar 2026 02:58:22 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-4392</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-4392</guid>
      <author>Babenko, V. F.</author>
      <dc:format>Article</dc:format>
      <dc:date>2000</dc:date>
      <dc:creator>Babenko, V. F.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Majorant estimates for the percolation threshold of a Bernoulli field on a square lattice</title>
      <pubDate>Tue, 24 Mar 2026 02:47:09 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-3687</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-3687</guid>
      <author>Virchenko, Yu. P.</author>
      <dc:format>Article</dc:format>
      <dc:date>2005</dc:date>
      <dc:creator>Virchenko, Yu. P.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On a Theoretical Study of the Properties of Solutions of the Limit Problem for a Magnetically Noninsulated Diode</title>
      <pubDate>Tue, 24 Mar 2026 02:46:26 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-3647</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-3647</guid>
      <author>Dulov, E. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2005</dc:date>
      <dc:creator>Dulov, E. V.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>A generalization of an extended stochastic integral</title>
      <pubDate>Tue, 24 Mar 2026 02:40:36 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-3334</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-3334</guid>
      <author>Berezansky, Yu. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2007</dc:date>
      <dc:creator>Berezansky, Yu. M.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>An infinite-dimensional Borsuk-Ulam-type generalization of the Leray-Schauder fixed-point theorem and some applications</title>
      <pubDate>Tue, 24 Mar 2026 02:36:59 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-3141</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-3141</guid>
      <author>Prykarpatsky, A. K.</author>
      <dc:format>Article</dc:format>
      <dc:date>2008</dc:date>
      <dc:creator>Prykarpatsky, A. K.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>On closed-form solutions of triple series equations involving Laguerre polynomials</title>
      <pubDate>Tue, 24 Mar 2026 02:31:42 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2859</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2859</guid>
      <author>Dhaliwal, R.S.</author>
      <dc:format>Article</dc:format>
      <dc:date>2010</dc:date>
      <dc:creator>Dhaliwal, R.S.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Approximation of analytic functions by Bessel functions of fractional order</title>
      <pubDate>Tue, 24 Mar 2026 02:31:16 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2835</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2835</guid>
      <author>Jung, S.-M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2011</dc:date>
      <dc:creator>Jung, S.-M.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Submanifolds of compact operators with fixed multiplicities of eigenvalues</title>
      <pubDate>Tue, 24 Mar 2026 02:30:31 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2796</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2796</guid>
      <author>Bondar, A. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2011</dc:date>
      <dc:creator>Bondar, A. A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Weyl&amp;#039;s theorem for algebrascally  $wF(p, r, q)$ operators with $p, q &amp;gt; 0$ and $q \geq 1$</title>
      <pubDate>Tue, 24 Mar 2026 02:30:20 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2787</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2787</guid>
      <author>Rashid, M. H. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2011</dc:date>
      <dc:creator>Rashid, M. H. M.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Trigonometric approximation of functions in generalized Lebesgue spaces with variable exponent</title>
      <pubDate>Tue, 24 Mar 2026 02:28:29 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2695</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2695</guid>
      <author>Akgün, R.</author>
      <dc:format>Article</dc:format>
      <dc:date>2011</dc:date>
      <dc:creator>Akgün, R.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On the best approximations of functions defined on zero-dimensional groups</title>
      <pubDate>Tue, 24 Mar 2026 02:26:50 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2611</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2611</guid>
      <author>Timan, M. F.</author>
      <dc:format>Article</dc:format>
      <dc:date>2012</dc:date>
      <dc:creator>Timan, M. F.</dc:creator>
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    <item>
      <title>Value-sharing problem for p-adic meromorphic functions and their difference operators and difference polynomials</title>
      <pubDate>Tue, 24 Mar 2026 02:25:52 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2562</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2562</guid>
      <author>An, Vu Hoai</author>
      <dc:format>Article</dc:format>
      <dc:date>2012</dc:date>
      <dc:creator>An, Vu Hoai</dc:creator>
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    <item>
      <title>On the β-Dual of Banach-Space-Valued Difference Sequence Spaces</title>
      <pubDate>Tue, 24 Mar 2026 02:24:33 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2497</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2497</guid>
      <author>Bhardwaj, V. K.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Bhardwaj, V. K.</dc:creator>
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    <item>
      <title>Derivations on Pseudoquotients</title>
      <pubDate>Tue, 24 Mar 2026 02:24:05 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2472</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2472</guid>
      <author>Majeed, A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Majeed, A.</dc:creator>
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    <item>
      <title>On Some Multidimensional Hilbert-Type Inequalities in the Discrete Case</title>
      <pubDate>Tue, 24 Mar 2026 02:23:56 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2465</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2465</guid>
      <author>Krnić, M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Krnić, M.</dc:creator>
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      <title>Paley – Wiener type theorem for functions with values in Banach spaces</title>
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      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2382</link>
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      <author>Bang, H. H.</author>
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    <item>
      <title>Strongly statistical convergence</title>
      <pubDate>Tue, 24 Mar 2026 02:22:29 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2368</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2368</guid>
      <author>Kaya, U.</author>
      <dc:format>Article</dc:format>
      <dc:date>2020</dc:date>
      <dc:creator>Kaya, U.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>On combinatorial extensions of some Ramanujan’s mock theta functions</title>
      <pubDate>Tue, 24 Mar 2026 02:22:17 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2327</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2327</guid>
      <author>Goyal, M.</author>
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    <item>
      <title>Probabilistic weak solutions for nonlinear stochastic evolution problems involving pseudomonotone operators</title>
      <pubDate>Tue, 24 Mar 2026 02:21:50 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2286</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2286</guid>
      <author>Ali, Z. I.</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
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    <item>
      <title>Asymptotic Solutions of the Dirichlet Problem for the Heat Equation at a Characteristic Point</title>
      <pubDate>Tue, 24 Mar 2026 02:21:03 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2223</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2223</guid>
      <author>Antoniouk, A. Vict.</author>
      <dc:format>Article</dc:format>
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    <item>
      <title>On the Statistical Convergence of Metric-Valued Sequences</title>
      <pubDate>Tue, 24 Mar 2026 02:20:05 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2172</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2172</guid>
      <author>Değer, U.</author>
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      <dc:date>2014</dc:date>
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      <slash:comments>0</slash:comments>
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    <item>
      <title>Infinitely Many Fast Homoclinic Solutions for Some Second-Order Nonautonomous Systems</title>
      <pubDate>Tue, 24 Mar 2026 02:19:30 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2142</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2142</guid>
      <author>Luo, Liping</author>
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    <item>
      <title>Kolmogorov Widths for Analogs of the Nikol’skii–Besov Classes with Logarithmic Smoothness</title>
      <pubDate>Tue, 24 Mar 2026 02:18:33 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2092</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2092</guid>
      <author>Stasyuk, S. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2015</dc:date>
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    <item>
      <title>Generalizations of Steffensen’s Inequality by Lidstone’s Polynomials</title>
      <pubDate>Tue, 24 Mar 2026 02:18:28 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2087</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2087</guid>
      <author>Pečarić, J. E.</author>
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      <dc:date>2015</dc:date>
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      <title>On the Optimal Recovery of Integrals of Set-Valued Functions</title>
      <pubDate>Tue, 24 Mar 2026 02:17:52 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2055</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2055</guid>
      <author>Babenko, V. F.</author>
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      <dc:date>2015</dc:date>
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    <item>
      <title>On The Boundary Behavior of Regular Solutions of the Degenerate Beltrami Equations</title>
      <pubDate>Tue, 24 Mar 2026 02:16:45 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1999</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1999</guid>
      <author>Lomako, T.V.</author>
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      <title>Slant lightlike submersions from an indefinite almost Hermitian manifold onto a lightlike manifold</title>
      <pubDate>Tue, 24 Mar 2026 02:14:45 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1894</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1894</guid>
      <author>Bhatia, S. S.</author>
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      <title>A note on degree of approximation by matrix means in generalized Hölder metric</title>
      <pubDate>Tue, 24 Mar 2026 02:13:57 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1854</link>
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      <author>Değer, U.</author>
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      <dc:date>2016</dc:date>
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      <title>Polynomial approximation in Bergman spaces</title>
      <pubDate>Tue, 24 Mar 2026 02:13:53 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1850</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1850</guid>
      <author>Akgün, R.</author>
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      <dc:date>2016</dc:date>
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    <item>
      <title>Mykhailo
Pylypovych Kravchuk (27.09.1892 – 09.03.1942), famous ukrainian mathematician
(on the 125th anniversary of his birth)</title>
      <pubDate>Tue, 24 Mar 2026 02:12:26 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1777</link>
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