Multiple Haar Basis and its Properties by Romanyuk, V. S., Романюк, В. С.

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On the Best Linear Approximation Method for Hölder Classes by Skorokhodov, D. S., Скороходов, Д. С., Скороходов, Д. С.

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Asymptotic Representations for the Solutions of One Class of Nonlinear Differential Equations of the Second Order by Shlepakov, O. R., Шлепаков, О. Р., Шлепаков, О. Р.

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Ivan Oleksandrovych Lukovs’kyi (on his 80th birthday) by EditorialBoard, Редколегія

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Groups of Periodically Defined Linear Transformations of an Infinite-Dimensional Vector Space by Bezushchak, O. E., Sushchanskii, V. I., Безущак, О. О., Сущанський, В. І.

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Invariant Submanifolds of Trans-Sasakian Manifolds by Anitha, B. S., Bagewadi, C. S., Анітха, В. С., Багеваді, С. С.

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Branching Law for the Finite Subgroups of $SL_4ℂ$ and the Related Generalized Poincaré Polynomials by Butin, F., Бутін, Ф.

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On the Relationship Between the Rate of Polynomial Approximation of an Entire Function and its Order and Type by Dveirin, M. Z., Двейрін, М. З.

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Boundary-Value Problem with Impulsive Conditions and Degeneration for Parabolic Equations by Isaryuk, I. M., Pukalskyi, I. D., Ісарюк, I. М., Пукальський, І. Д.

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Construction of Lyapunov Functions in the Theory of Regular Linear Extensions of Dynamical Systems on a Torus by Kulik, V. L., Кулик, В. Л.

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On the Best Linear Methods of Approximation and the Exact Values of Widths for Some Classes of Analytic Functions in the Weighted Bergman Space by Langarshoev, M. R., Лангаршоев, М. Р., Лангаршоев, М. Р.

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On Some New Inequalities of Hermite–Hadamard Type for Functions Whose Derivatives are $s$-Convex in the Second Sense in the Absolute Value by Latif, M. A., Латіф, М. А.

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Kronrod–Reeb Graphs of Functions on Noncompact Two-Dimensional Surfaces. II by Polulyakh, E. O., Полулях, Е. А., Полулях, Е. А.

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Weakly Periodic Gibbs Measures in the HC-Model for a Normal Divisor of Index Four by Khakimov, R. M., Хакимов, Р. М., Хакимов, Р. М.

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Approximation of Functions from the Isotropic Nikol’skii–Besov Classes in the Uniform and Integral Metrics by Yanchenko, S. Ya., Янченко, С. Я.

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Some Remarks on Spectral Synthesis Sets by Joseph, J., Muraleedharan, T. K., Йосеф, Ж., Муралєедхаран, Т. К.

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Jacobian and the Darboux Property by Trohimchuk, Yu. Yu, Трохимчук, Ю. Ю., Трохимчук, Ю. Ю.

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Conditional Symmetry of a System of Nonlinear Reaction-Diffusion Equations by Barannyk, T. A., Баранник, Т. А.

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Boundary Trace Operator in a Domain of Hilbert Space and the Characteristic Property of its Kernel by Bogdanskii, Yu. V., Богданский, Ю. В., Богданский, Ю. В.

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Conditions of Convergence Almost Everywhere for the Convolution of a Function with Delta-Shaped Kernel to this Function by Bushev, D. M., Бушев, Д. М.

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