On the absolute summability of Fourier series of almost-periodic besicovitch functions von 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 von 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 von 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 von 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 von Wei-feng, Xia, Вей, Фен-Ся

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Betweenness relation and isometric imbeddings of metric spaces von 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 von Lomako, T.V., Ломако, Т. В., Ломако, Т. В.

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

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Trigonometric and orthoprojection widths of classes of periodic functions of many variables von 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 von Sevost'yanov, E. A., Севостьянов, Е. А., Севостьянов, Е. А.

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On some generalizations of nearly normal subgroups von 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 von Fedchenko, Yu. S., Федченко, Ю. С.

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Order equalities for some functionals and their application to the estimation of the best $n$-term approximations and widths von Shydlich, A. L., Шидліч, А. Л.

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Unitarization of representations of a partially ordered set associated with a graph $\tilde{E}_6$ von Yakymenko, D. Yu., Якименко, Д. Ю., Якименко, Д. Ю.

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Boundedness of multilinear singular integral operators on the homogeneous Morrey–Herz spaces von Wu, Jianglong, Ву, Янглонг

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Nonsymmetric approximations of classes of periodic functions by splines of defect 2 and Jackson-type inequalities von Babenko, V. F., Parfinovych, N. V., Бабенко, В. Ф., Парфинович, Н. В., Бабенко, В. Ф., Парфинович, Н. В.

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Equivalence of closed 1-forms on surfaces with edge von Budnyts'ka, T. V., Prishlyak, O. O., Будницька, Т. В., Пришляк, О. О.

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

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On removable sets of solutions of second-order elliptic and parabolic equations in nondivergent form von Gadjiev, T. S., Mamedova, V. A., Гаджиїв, Т. С., Мамедова, В. А.

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Approximation of (ψ, β)-differentiable functions by Poisson integrals in the uniform metric von Zhyhallo, T. V., Kharkevych, Yu. I., Жигалло, Т. В., Харкевич, Ю. І.

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