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    <item>
      <title>Locally soluble AFA-groups</title>
      <pubDate>Tue, 24 Mar 2026 02:23:18 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2431</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2431</guid>
      <author>Dashkova, O. Yu.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Dashkova, O. Yu.</dc:creator>
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    <item>
      <title>Multipoint Problem for B-Parabolic Equations</title>
      <pubDate>Tue, 24 Mar 2026 02:23:16 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2428</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2428</guid>
      <author>Ptashnik, B. I.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Ptashnik, B. I.</dc:creator>
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    <item>
      <title>Asymptotic behavior of higher-order neutral difference equations with general arguments</title>
      <pubDate>Tue, 24 Mar 2026 02:23:16 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2429</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2429</guid>
      <author>Chatzarakis, G. E.</author>
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      <dc:date>2013</dc:date>
      <dc:creator>Chatzarakis, G. E.</dc:creator>
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    <item>
      <title>Extended Sobolev Scale and Elliptic Operators</title>
      <pubDate>Tue, 24 Mar 2026 02:23:13 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2426</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2426</guid>
      <author>Mikhailets, V. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Mikhailets, V. A.</dc:creator>
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    <item>
      <title>Self-Affine Singular and Nowhere Monotone Functions Related to the Q-Representation of Real Numbers</title>
      <pubDate>Tue, 24 Mar 2026 02:23:13 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2427</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2427</guid>
      <author>Kalashnikov, A. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Kalashnikov, A. V.</dc:creator>
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      <title>Asymptotic Representations for Some Classes of Solutions of Ordinary Differential Equations of Order $n$ with Regularly Varying Nonlinearities</title>
      <pubDate>Tue, 24 Mar 2026 02:23:11 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2424</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2424</guid>
      <author>Evtukhov, V. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Evtukhov, V. M.</dc:creator>
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    <item>
      <title>Correct Solvability of a Nonlocal Multipoint (in Time) Problem for One Class of Evolutionary Equations</title>
      <pubDate>Tue, 24 Mar 2026 02:23:10 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2423</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2423</guid>
      <author>Horodets’kyi, V. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Horodets’kyi, V. V.</dc:creator>
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    <item>
      <title>Fredholm solvability of a periodic Neumann problem for a linear telegraph equation</title>
      <pubDate>Tue, 24 Mar 2026 02:23:10 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2425</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2425</guid>
      <author>Kmit, I. Ya.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Kmit, I. Ya.</dc:creator>
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      <title>Conditions for the existence of almost periodic solutions of nonlinear differential equations in Banach spaces</title>
      <pubDate>Tue, 24 Mar 2026 02:23:07 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2420</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2420</guid>
      <author>Slyusarchuk, V. Yu.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Slyusarchuk, V. Yu.</dc:creator>
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      <title>Application of the ergodic theory to the investigation of a boundaryvalue problem with periodic operator coefficient</title>
      <pubDate>Tue, 24 Mar 2026 02:23:07 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2422</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2422</guid>
      <author>Boichuk, О. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Boichuk, О. A.</dc:creator>
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    <item>
      <title>On a Nonlocal Boundary-Value Problem for Systems of Impulsive Hyperbolic Equations</title>
      <pubDate>Tue, 24 Mar 2026 02:23:06 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2421</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2421</guid>
      <author>Assanova, A. T.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Assanova, A. T.</dc:creator>
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    <item>
      <title>On the structure of the general solution and conditions of solvability of the Cauchy problem for degenerate linear systems of higher-order differential equations</title>
      <pubDate>Tue, 24 Mar 2026 02:23:04 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2419</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2419</guid>
      <author>Pafyk, S. P.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Pafyk, S. P.</dc:creator>
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    <item>
      <title>Existence, uniqueness, and estimation of solutions for a set of equations of perturbed motion</title>
      <pubDate>Tue, 24 Mar 2026 02:23:03 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2418</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2418</guid>
      <author>Martynyuk, A. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Martynyuk, A. A.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>A problem with integral conditions with respect to time for Garding hyperbolic equations</title>
      <pubDate>Tue, 24 Mar 2026 02:23:02 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2416</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2416</guid>
      <author>Kuz, A. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Kuz, A. M.</dc:creator>
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    <item>
      <title>Variations on some finite-dimensional fixed-point theorems</title>
      <pubDate>Tue, 24 Mar 2026 02:23:02 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2417</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2417</guid>
      <author>Mawhin, J.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Mawhin, J.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Global weak solutions of the Navier?Stokes?Fokker?Planck system</title>
      <pubDate>Tue, 24 Mar 2026 02:22:59 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2413</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2413</guid>
      <author>Egorov, S. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Egorov, S. M.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Robustness of exponential dichotomies of boundary-value problems for general first-order hyperbolic systems</title>
      <pubDate>Tue, 24 Mar 2026 02:22:58 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2415</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2415</guid>
      <author>Kmit, I. Ya.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Kmit, I. Ya.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Oscillation of solutions of the second-order linear functional-difference equations</title>
      <pubDate>Tue, 24 Mar 2026 02:22:57 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2414</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2414</guid>
      <author>Karpenko, O. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Karpenko, O. V.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Hermite-Hadamard-type inequalities for r-convex functions using Riemann-Liouville fractional integrals</title>
      <pubDate>Tue, 24 Mar 2026 02:22:55 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2412</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2412</guid>
      <author>Deng, J.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Deng, J.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>On interaction of an elastic wall with a Poiseuille type flow</title>
      <pubDate>Tue, 24 Mar 2026 02:22:54 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2410</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2410</guid>
      <author>Chueshov, I.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Chueshov, I.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Normally solvable operator equations in a Banach space</title>
      <pubDate>Tue, 24 Mar 2026 02:22:54 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2411</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2411</guid>
      <author>Boichuk, О. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Boichuk, О. A.</dc:creator>
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    <item>
      <title>On the asymptotic properties of continuous solutions of the systems of nonlinear functional equations</title>
      <pubDate>Tue, 24 Mar 2026 02:22:52 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2408</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2408</guid>
      <author>Pelyukh, G. P.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Pelyukh, G. P.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Averaging of set-valued impulsive systems</title>
      <pubDate>Tue, 24 Mar 2026 02:22:52 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2409</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2409</guid>
      <author>Perestyuk, N. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Perestyuk, N. A.</dc:creator>
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    <item>
      <title>Theorem on the existence of an invariant section over $\mathbb{R}^m$ for the indefinite monotone system in $\mathbb{R}^m \times \mathbb{R}^n$</title>
      <pubDate>Tue, 24 Mar 2026 02:22:51 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2407</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2407</guid>
      <author>Lagoda, V. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Lagoda, V. A.</dc:creator>
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    <item>
      <title>New methods for the investigation of periodic solutions in ring systems of unidirectionally coupled oscillators</title>
      <pubDate>Tue, 24 Mar 2026 02:22:49 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2406</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2406</guid>
      <author>Kolesov, A. Yu.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Kolesov, A. Yu.</dc:creator>
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    <item>
      <title>Limit theorems for one-dimensional boundary-value problems</title>
      <pubDate>Tue, 24 Mar 2026 02:22:46 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2405</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2405</guid>
      <author>Kodlyuk, T. I.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Kodlyuk, T. I.</dc:creator>
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    <item>
      <title>Invariant measures for discrete dynamical systems and ergodic properties of generalized Boole-type transformations</title>
      <pubDate>Tue, 24 Mar 2026 02:22:45 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2403</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2403</guid>
      <author>Blackmore, D.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Blackmore, D.</dc:creator>
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    <item>
      <title>Representation of a solution of the Cauchy problem for an oscillating system with two delays and permutable matrices</title>
      <pubDate>Tue, 24 Mar 2026 02:22:45 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2404</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2404</guid>
      <author>Diblik, J.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Diblik, J.</dc:creator>
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    <item>
      <title>Dynamics of periodic modes for the phenomenological equation of spin combustion</title>
      <pubDate>Tue, 24 Mar 2026 02:22:42 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2402</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2402</guid>
      <author>Belan, E. P.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Belan, E. P.</dc:creator>
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    <item>
      <title>Anatolii Mykhailovych Samoilenko (on his 75th birthday)</title>
      <pubDate>Tue, 24 Mar 2026 02:22:41 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2400</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2400</guid>
      <author>Berezansky, Yu. M.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Berezansky, Yu. M.</dc:creator>
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    <item>
      <title>Hybrid type generalized multivalued vector complementarity problems</title>
      <pubDate>Tue, 24 Mar 2026 02:22:41 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2401</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2401</guid>
      <author>Agarwal, P.</author>
      <dc:format>Article</dc:format>
      <dc:date>2013</dc:date>
      <dc:creator>Agarwal, P.</dc:creator>
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    <item>
      <title>Weighted estimation and reduction of influence of bounded perturbations in descriptor control systems</title>
      <pubDate>Tue, 24 Mar 2026 02:22:40 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2389</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2389</guid>
      <author>Mazko, A. G.</author>
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      <dc:date>2020</dc:date>
      <dc:creator>Mazko, A. G.</dc:creator>
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      <title>Inverse spectral problem for a star graph of Stieltjes strings with prescribed numbers of masses on the edges</title>
      <pubDate>Tue, 24 Mar 2026 02:22:40 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2398</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2398</guid>
      <author>Pivovarchik, V.</author>
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      <dc:date>2021</dc:date>
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      <title>Some generalisation of the shadow problem in the Lobachevsky space</title>
      <pubDate>Tue, 24 Mar 2026 02:22:39 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2397</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2397</guid>
      <author>Kostin, A. V.</author>
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      <dc:date>2021</dc:date>
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      <title> On various moduli of smoothness and $K$-functionals</title>
      <pubDate>Tue, 24 Mar 2026 02:22:37 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2384</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2384</guid>
      <author>Trigub , R. M.</author>
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      <dc:date>2020</dc:date>
      <dc:creator>Trigub , R. M.</dc:creator>
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      <title>The first Betti numbers of orbits of Morse functions on surfaces</title>
      <pubDate>Tue, 24 Mar 2026 02:22:35 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2383</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2383</guid>
      <author>Kuznietsova, I. V.</author>
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      <title>Paley – Wiener type theorem for functions with values in Banach spaces</title>
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      <title>Derivations and identities for the Chebyshev polynomials</title>
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      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2380</link>
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      <title>Decomposition of a Hermitian matrix into a sum of a fixed number of orthoprojections</title>
      <pubDate>Tue, 24 Mar 2026 02:22:31 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2378</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2378</guid>
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      <title>$H^2$ - norms of the partial sums of Fourier series by Laguerre basis for bounded holomorphic functions</title>
      <pubDate>Tue, 24 Mar 2026 02:22:30 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2371</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2371</guid>
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      <title>Estimates for $\lambda$-spirallike function of complex order on the boundary</title>
      <pubDate>Tue, 24 Mar 2026 02:22:30 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2375</link>
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      <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>
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      <title>On the Fourier sine and Kontorovich–Lebedev generalized convolution transforms and applications</title>
      <pubDate>Tue, 24 Mar 2026 02:22:29 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2370</link>
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      <title>Solution of the boundary-value problem of heat conduction with periodic boundary conditions</title>
      <pubDate>Tue, 24 Mar 2026 02:22:28 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2367</link>
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      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2357</link>
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      <title>Nonhomogeneous elliptic Kirchhoff equations of $p$-Laplacian type</title>
      <pubDate>Tue, 24 Mar 2026 02:22:24 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2359</link>
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      <title>Sharp Remez type inequalities of various metrics with non-symmetric restrictions on functions</title>
      <pubDate>Tue, 24 Mar 2026 02:22:23 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2352</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2352</guid>
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      <title>Fuglede – Putnam type theorems for extension of $M$-hyponormal operators</title>
      <pubDate>Tue, 24 Mar 2026 02:22:22 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2355</link>
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      <title>Truncation error bounds for branched continued fraction $\sum_{i_1=1}^N\frac{a_{i(1)}}{1}{\atop+}\sum_{i_2=1}^{i_1}\frac{a_{i(2)}}{1}{\atop+}\sum_{i_3=1}^{i_2}\frac{a_{i(3)}}{1}{\atop+}\ldots$</title>
      <pubDate>Tue, 24 Mar 2026 02:22:20 +0000</pubDate>
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      <title>Some subclasses of univalent functions associated with $k$-Ruscheweyh derivative operator</title>
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