No Jackson-type estimates for piecewise $q$-monotone, $q\ge3$, trigonometric approximation by Leviatan , D., Motorna, O. V., Shevchuk, I. A., Leviatan , D., Motorna, O. V., Shevchuk, I. A., Шевчук, Ігор

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Local properties of entire functions of bounded index in a frame by Bandura, A. I., Skaskiv, O. B., Бандура, А. I., Скасків, О. Б.

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On the existence of solutions of quasilinear Beltrami equations with two characteristics by Dovhopiatyi , O. P., Sevost’yanov , E. A., Довгопятий, О. П., Севостьянов, Є. О., Севостьянов, Євген Олександрович

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Two-dimensional generalization of the Thron–Jones theorem on the parabolic domains of convergence of continued fractions by Bilanyk, I. B., Bodnar, D. I., Біланик, І. Б., Боднар, Д. І., Боднар, Дмитрий

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Approximations of the Mittag-Leffler operator function with exponential accuracy and their application to solving of evolution equations with fractional derivative in time by Gavrilyuk , I. P., Makarov, V. L., Gavrilyuk , I. P., Makarov, V. L., Makarov, V. L.

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An interpolatory estimate for copositive polynomial approximations of continuous functions by Dzyubenko, G. A., Дзюбенко, Г. А. 

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Oleksandr Mykolaiovych Sharkovs’kyi (on his 85th birthday) by Редколегія, .

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Existence and compactness of solution of semilinear integro-differential equations with finite delay by Sahraoui, F., Ouahab, А., Sahraoui, F., Ouahab, А.

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On one Reverse asymptotic equality by Motorna, O. V., Shevchuk , V. I., Моторна, О. В., Шевчук, В. I.

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Fine-grained evaluations of the best estimates for smooth functions in $C_{2\pi}$ in terms of linear combinations of modules of continuity of their derivatives by Babich, Yu. P., Mikhailova, T. F., Бабич, Ю. П., Михайлова, Т. Ф.

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Special exponential functions on lattices of simple Lie groups and allotropic modifications of carbon by Nesterenko, M. O., Нестеренко, М. O.

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Approximation by Fourier sums in classes of Weyl – Nagy differentiable functions with high exponent of smoothness by Serdyuk, A. S., Sokolenko , I. V., Сердюк, А. С., Соколенко , І. В.

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Wiman-type inequality in multiple-circular domains: Lévy’s phenomenon and exceptional sets by Kuryliak, A. O., Skaskiv , O. B., Куриляк , А. О., Скасків , О. Б.

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Frequency locking of periodic solutions to differential equations with impulsive perturbations by Dvornyk, A. V., Tkachenko, V. I., Дворник, А. В., Ткаченко, В. I., Tkachenko, Viktor

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Approximation of classes of periodic functions in one and many variables from the Nikol’skii – Besov and Sobolev spaces by Romanyuk, A. S., Yanchenko, S. Ya., Романюк, А. С., Янченко, С. Я.

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Widths of classes of functions in the weight space $L_{2,\gamma}(\mathbb{R}), \gamma=\exp(-x^2)$ by Vakarchuk, S. B., Вакарчук, С. Б.

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On a property of the arithmetic means of monotonous sequences by Korenovskyi, A. O., Shanin, R. V., Кореновський, А. О., Шанiн, Р. В.

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On the behavior of one class of homeomorphisms at infinity by Salimov, R. R., Klishchuk, B. A., Салімов, Р. Р., Кліщук, Б. А.

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Gauss–Kuzmin problem for the difference Engel-series representation of real numbers by Moroz , M. P., Мороз, М. П.

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Superintegrable and scale invariant quantum systems with position dependent mass by Nikitin, A. G., Нікітін, А. Г.

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