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    <item>
      <title>On Elliptic Boundary-Value Problems with Small Parameter and Additional Functions on the Boundary of a Domain</title>
      <pubDate>Tue, 24 Mar 2026 02:20:56 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2218</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2218</guid>
      <author>Zavorotinskii, A. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Zavorotinskii, A. V.</dc:creator>
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    <item>
      <title>Holomorphic Transformation to a Miniversal Deformation not Always Exists Under *Congruence</title>
      <pubDate>Tue, 24 Mar 2026 02:20:56 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2219</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2219</guid>
      <author>Klymenko, O. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Klymenko, O. M.</dc:creator>
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    <item>
      <title>On the Integration of a Nonlinear System of Differential Equations</title>
      <pubDate>Tue, 24 Mar 2026 02:20:53 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2213</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2213</guid>
      <author>Oleinik, E. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Oleinik, E. V.</dc:creator>
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    <item>
      <title>Estimations of the Best Approximations for the Classes of Infinitely Differentiable Functions in Uniform and Integral Metrics</title>
      <pubDate>Tue, 24 Mar 2026 02:20:53 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2215</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2215</guid>
      <author>Serdyuk, A. S.</author>
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      <dc:date>2014</dc:date>
      <dc:creator>Serdyuk, A. S.</dc:creator>
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    <item>
      <title>A Note on Solymosi’s Sum-Product Estimate for Ordered Fields</title>
      <pubDate>Tue, 24 Mar 2026 02:20:53 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2216</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2216</guid>
      <author>Xue, Boqing</author>
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      <dc:date>2014</dc:date>
      <dc:creator>Xue, Boqing</dc:creator>
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      <title>A Class of p-Valent Meromorphic Functions Defined by the Liu–Srivastava Operator</title>
      <pubDate>Tue, 24 Mar 2026 02:20:52 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2214</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2214</guid>
      <author>Seoudy, T. M.</author>
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      <dc:date>2014</dc:date>
      <dc:creator>Seoudy, T. M.</dc:creator>
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      <title>Homotopic Properties of the Spaces of Smooth Functions on a 2-Torus</title>
      <pubDate>Tue, 24 Mar 2026 02:20:49 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2211</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2211</guid>
      <author>Maksimenko, S. I.</author>
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      <dc:date>2014</dc:date>
      <dc:creator>Maksimenko, S. I.</dc:creator>
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    <item>
      <title>Generalized Semicommutative and Skew Armendariz Ideals</title>
      <pubDate>Tue, 24 Mar 2026 02:20:49 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2212</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2212</guid>
      <author>Nikmehr, M. J.</author>
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      <dc:date>2014</dc:date>
      <dc:creator>Nikmehr, M. J.</dc:creator>
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    <item>
      <title>Spectral Analysis of Some Graphs with Infinite Rays</title>
      <pubDate>Tue, 24 Mar 2026 02:20:48 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2210</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2210</guid>
      <author>Lebid’, V. O.</author>
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      <dc:date>2014</dc:date>
      <dc:creator>Lebid’, V. O.</dc:creator>
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      <title>Many-Dimensional Generalized Moment Representations and Padé -Type Approximants for Functions of Many Variables</title>
      <pubDate>Tue, 24 Mar 2026 02:20:45 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2207</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2207</guid>
      <author>Holub, A. P.</author>
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      <dc:date>2014</dc:date>
      <dc:creator>Holub, A. P.</dc:creator>
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      <title>Associated Branched Continued Fractions with Two Independent Variables</title>
      <pubDate>Tue, 24 Mar 2026 02:20:45 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2208</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2208</guid>
      <author>Dmytryshyn, R. I.</author>
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      <dc:date>2014</dc:date>
      <dc:creator>Dmytryshyn, R. I.</dc:creator>
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    <item>
      <title>Structure of the Systems of Orthogonal Projections Connected with Countable Coxeter Trees</title>
      <pubDate>Tue, 24 Mar 2026 02:20:44 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2209</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2209</guid>
      <author>Kirichenko, A. A.</author>
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      <dc:date>2014</dc:date>
      <dc:creator>Kirichenko, A. A.</dc:creator>
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    <item>
      <title>On a Class of Nonuniformly Nonlinear Systems with Dirichlet Boundary Conditions</title>
      <pubDate>Tue, 24 Mar 2026 02:20:42 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2206</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2206</guid>
      <author>Afrouzi, G. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Afrouzi, G. A.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Boundary Versions of the Worpitzky Theorem for Two-Dimensional Continued Fractions</title>
      <pubDate>Tue, 24 Mar 2026 02:20:41 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2202</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2202</guid>
      <author>Kuchmins’ka, Kh. Yo.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Kuchmins’ka, Kh. Yo.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Fractional Calculus of a Unified Mittag-Leffler Function</title>
      <pubDate>Tue, 24 Mar 2026 02:20:41 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2204</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2204</guid>
      <author>Nathwani, B. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Nathwani, B. V.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>CLT-Groups with Hall S-Quasinormally Embedded Subgroups</title>
      <pubDate>Tue, 24 Mar 2026 02:20:41 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2205</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2205</guid>
      <author>Li, Shirong</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Li, Shirong</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On One Convolution Equation in the Theory of Filtration of Random Processes</title>
      <pubDate>Tue, 24 Mar 2026 02:20:39 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2201</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2201</guid>
      <author>Barsegyan, A. G.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Barsegyan, A. G.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Trigonometric Approximations and Kolmogorov Widths of Anisotropic Besov Classes of Periodic Functions of Several Variables</title>
      <pubDate>Tue, 24 Mar 2026 02:20:39 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2203</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2203</guid>
      <author>Myronyuk, V. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Myronyuk, V. V.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Necessary and Sufficient Conditions for the Solvability of Linear Boundary-Value Problems for the Fredholm Integrodifferential Equations</title>
      <pubDate>Tue, 24 Mar 2026 02:20:37 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2200</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2200</guid>
      <author>Dzhumabaev, D. S.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Dzhumabaev, D. S.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>On Removable Sets for Degenerated Elliptic Equations</title>
      <pubDate>Tue, 24 Mar 2026 02:20:34 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2198</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2198</guid>
      <author>Bayramova, N. Q.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Bayramova, N. Q.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>History of the Appearance of Infinite-Dimensional Analysis and its Development in Ukraine</title>
      <pubDate>Tue, 24 Mar 2026 02:20:33 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2199</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2199</guid>
      <author>Gorbachuk, M. L.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Gorbachuk, M. L.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Exponentially Convergent Method for the First-Order Differential Equation in a Banach Space with Integral Nonlocal Condition</title>
      <pubDate>Tue, 24 Mar 2026 02:20:32 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2197</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2197</guid>
      <author>Vasylyk, V. B.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Vasylyk, V. B.</dc:creator>
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    <item>
      <title>On Some Ramanujan Identities for the Ratios of Eta-Functions</title>
      <pubDate>Tue, 24 Mar 2026 02:20:30 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2196</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2196</guid>
      <author>Bhargava, S.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Bhargava, S.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Theorems on Inclusion for Multivalued Mappings</title>
      <pubDate>Tue, 24 Mar 2026 02:20:29 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2194</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2194</guid>
      <author>Zelinskii, Yu. B.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Zelinskii, Yu. B.</dc:creator>
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    <item>
      <title>A Note on a Bound of Adan-Bante</title>
      <pubDate>Tue, 24 Mar 2026 02:20:29 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2195</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2195</guid>
      <author>Chen, Xiaoyou</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Chen, Xiaoyou</dc:creator>
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    <item>
      <title>On the Problem of Linear Widths of the Classes $B_{p,θ}^r$ of Periodic Functions of Many Variables</title>
      <pubDate>Tue, 24 Mar 2026 02:20:28 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2192</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2192</guid>
      <author>Romanyuk, A. S.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Romanyuk, A. S.</dc:creator>
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    <item>
      <title>Decomposition of Directed Graphs and the Turán Problem</title>
      <pubDate>Tue, 24 Mar 2026 02:20:27 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2191</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2191</guid>
      <author>Zholtkevich, G. N.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Zholtkevich, G. N.</dc:creator>
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    <item>
      <title>Anisotropic Differential Operators with Parameters and Applications</title>
      <pubDate>Tue, 24 Mar 2026 02:20:27 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2193</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2193</guid>
      <author>Shahmorad, S.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Shahmorad, S.</dc:creator>
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    <item>
      <title>Deficiency Values for the Solutions of Differential Equations with Branching Point</title>
      <pubDate>Tue, 24 Mar 2026 02:20:26 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2190</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2190</guid>
      <author>Mokhonko, A. Z.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Mokhonko, A. Z.</dc:creator>
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    <item>
      <title>Interpolation by Splines of Even Degree According to Subbotin and Marsden</title>
      <pubDate>Tue, 24 Mar 2026 02:20:22 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2187</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2187</guid>
      <author>Volkov, Yu. S.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Volkov, Yu. S.</dc:creator>
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    <item>
      <title>Representation Type of Nodal Algebras of Type D</title>
      <pubDate>Tue, 24 Mar 2026 02:20:22 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2189</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2189</guid>
      <author>Drozd, Yu. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Drozd, Yu. A.</dc:creator>
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    <item>
      <title>Modules with Unique Closure Relative to a Torsion Theory. III</title>
      <pubDate>Tue, 24 Mar 2026 02:20:21 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2188</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2188</guid>
      <author>Doğruöz, S.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Doğruöz, S.</dc:creator>
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    <item>
      <title>Optimal Recovery of n-Linear Functionals According to Linear Information</title>
      <pubDate>Tue, 24 Mar 2026 02:20:19 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2186</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2186</guid>
      <author>Babenko, V. F.</author>
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      <dc:date>2014</dc:date>
      <dc:creator>Babenko, V. F.</dc:creator>
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      <title>$s$-Conditionally Permutable Subgroups and $p$-Nilpotency of Finite Groups</title>
      <pubDate>Tue, 24 Mar 2026 02:20:18 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2184</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2184</guid>
      <author>Li, X. H.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Li, X. H.</dc:creator>
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      <title>Regular Elliptic Boundary-Value Problems in the Extended Sobolev Scale</title>
      <pubDate>Tue, 24 Mar 2026 02:20:18 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2185</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2185</guid>
      <author>Anop, A. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2014</dc:date>
      <dc:creator>Anop, A. V.</dc:creator>
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      <title>Sharpening of the Explicit Lower Bounds for the Order of Elements in Finite Field Extensions Based on Cyclotomic Polynomials</title>
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