Degenerate nonlinear boundary-value problems by Boichuk, О. A., Shehda, L. M., Бойчук, О. А., Шегда, Л. М.

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Best $M$-Term trigonometric approximations of the classes $B^{Ω}_{p,θ}$ of periodic functions of many variables by Voitenko, S. P., Войтенко, С. П.

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Conditions for the stability of an impulsive linear equation with pure delay by Ivanov, I. L., Slyn'ko, V. I., Іванов, I. Л., Слинько, В. І.

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Convergence of difference additive functionals under local conditions on their characteristics by Kartashov, Yu. N., Kulik, A. M., Карташов, Ю. Н., Кулик, А. М., Карташов, Ю. Н., Кулик, А. М.

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Hausdorff–Besicovitch dimension of the graph of one continuous nowhere-differentiable function by O., B. Panasenko, Панасенко, O. Б.

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Structure of the semigroup $OT_n$ by Pekhterev, V. O., Пєхтєрєв, В. O.

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Variational approach to the solution of linear multiparameter eigenvalue problems by Podlevs’kyi, B. M., Подлевський, Б. M.

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Ideals of one-branch singularities of curves of the type $W$ by Skuratovskii, R. V., Скуратовський, Р. В.

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On the absolute summability of Fourier series of almost-periodic besicovitch functions by Timan, M. F., Khasanov, Yu., Тиман, М. Ф., Хасанов, Ю. Х., Тиман, М. Ф., Хасанов, Ю. Х.

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On some systems of convolution-type first-order integrodifferential equations on the semiaxis by Khachatryan, A. Kh., Khachatryan, Kh. A., Хачатрян, А. Х., Хачатрян, Х. А., Хачатрян, А. Х., Хачатрян, Х. А.

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On the boundedness of one recurrent sequence in a banach space by Vyatchaninov, O. V., Gorodnii, M. F., Вятчанінов, O. В., Городній, М. Ф.

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Refinement of a Hardy–Littlewood–Pólya-type inequality for powers of self-adjoint operators in a Hilbert space by Bilichenko, R. O., Babenko, V. F., Биличенко, Р. О., Бабенко, В. Ф., Биличенко, Р. О., Бабенко, В. Ф.

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Schur convexity and Schur multiplicative convexity for a class of symmetric functions with applications by Wei-feng, Xia, Вей, Фен-Ся

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Betweenness relation and isometric imbeddings of metric spaces by Dovgoshei, A. A., Dordovskii, D. V., Довгошей, А. А., Дордовский, Д. В., Довгошей, А. А., Дордовский, Д. В.

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On extension of some generalizations of quasiconformal mappings to a boundary by Lomako, T.V., Ломако, Т. В., Ломако, Т. В.

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On reduction of block matrices in a Hilbert space by Omel’chenko, P. V., Омельченко, П. В.

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Trigonometric and orthoprojection widths of classes of periodic functions of many variables by Romanyuk, A. S., Romanyuk, V. S., Романюк, А. С., Романюк, В. С., Романюк, А. С., Романюк, В. С.

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On the integral characterization of some generalized quasiregular mappings and the significance of the conditions of divergence of integrals in the geometric theory of functions by Sevost'yanov, E. A., Севостьянов, Е. А., Севостьянов, Е. А.

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On some generalizations of nearly normal subgroups by Piskun, M. M., Semko, N. N., Пискун, М. М., Семко, М. М.

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Normal and tangential geodesic deformations of the surfaces of revolution by Fedchenko, Yu. S., Федченко, Ю. С.

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