A New Characterization of PSL($2, q$) for Some $q$ by Amiri, S. S. S., Asboei, A. K., Iranmanesh, A., Аміри, С. С. С., Асбо, А. К., Іранманеш, А.

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On the Optimal Recovery of Integrals of Set-Valued Functions by Babenko, V. F., Babenko, V. V., Polishchuk, M. V., Бабенко, В. Ф., Бабенко, В. В., Поліщук, М. В.

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Laplacian Generated by the Gaussian Measure and Ergodic Theorem by Bogdanskii, Yu. V., Sanzharevskii, Ya. Yu., Богданский, Ю. В., Санжаревский, Я. Ю., Богданский, Ю. В., Санжаревский, Я. Ю.

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Perturbation Theory of Operator Equations in the FréChet and Hilbert Spaces by Boichuk, О. A., Pokutnyi, О. О., Бойчук, А. А., Покутный, А. А., Бойчук, А. А., Покутный, А. А.

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One Problem Connected with the Helgason Support Problem by Volchkov, V. V., Volchkov, V. V., Savost’yanova, I. M., Волчков, В. В., Волчков, Вит. В., Савостьянова, И. М., Волчков, В. В., Волчков, Вит. В., Савостьянова, И. М.

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Homogenized Model of Diffusion in Porous Media with Nonlinear Absorption on the Boundary by Goncharenko, M. V., Khilkova, L. O., Гончаренко, М. В., Хилькова, Л. А., Гончаренко, М. В., Хилькова, Л. А.

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Classes of Analytic Functions Defined by a Differential Operator Related to Conic Domains by Deniz, E., Orhan, H., Sokół, J., Деніз, Е., Орхан, Х., Сокол, Й.

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Relative Extensions of Modules and Homology Groups by Mao, Lixin, Zhu, Haiyan, Мао, Ліхін, Жу, Хайян

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On the $C^{*}$-Algebra Generated by the Bergman Operator, Carleman Second-Order Shift, and Piecewise Continuous Coefficients by Mozel’, V. A., Мозель, В. А., Мозель, В. А.

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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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