Approximation method in problems of potential theory by Sinaiskii, E. S., Синайский, Е. С., Синайский, Е. С.

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Multiply $\mathfrak{L}$ formations of finite groupsformations of finite groups by Skiba, A. N., Shemetkov, L. A., Скиба, А. Н., Шеметков, Л. А., Скиба, А. Н., Шеметков, Л. А.

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Lebesgue inequalities for poisson integrals by Serdyuk, A. S., Stepanets, O. I., Сердюк, А. С., Степанец, А. И., Сердюк, А. С., Степанец, А. И.

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On finite solvable groups decomposable into the product of two nilpotent subgroups by Chernikov, N. S., Черников, Н. С., Черников, Н. С.

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Nonlinear d'alembert equation in the pseudo-euclidean space $R_{2,n}$ and its solutions by Yuryk, I. I., Юрик, И. И., Юрик, И. И.

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On a bounded almost periodic solution of a semilinear parabolic equation by Assanova, A. T., Асанова, А. Т., Асанова, А. Т.

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Investigation of one class of diophantine equations by Bondarenko, A. V., Бондаренко, А. В.

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On the integration of one class ofN-dimensional trigonometric series by Kuznetsovci, O. I., Кузнецова, О. И., Кузнецова, О. И.

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Completely monotone functions on lie semigroups by Mirotin, A. R., Миротин, А. Р., Миротин, А. Р.

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$Q$-conditional symmetry of a nonlinear two-dimensional heat-conduction equation by Andreeva, N. V., Serov, N. I., Tulupova, L. O., Андрєєва, Н.В., Сєров, М. І., Тулупова, Л. О.

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Bestm-term trigonometric approximations of classes of (Ψ, β)-differentiable functions of one variable by Fedorenko, A. S., Федоренко, А. С., Федоренко, А. С.

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Approximation of classes $C_\infty ^{\bar \psi }$ by zygmund sumsby zygmund sums by Fedorenko, An. S., Федоренко, Ан. С., Федоренко, Ан. С.

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A criterion for the solvability of A linear boundary-value problem for A system of the second order by Shovkoplyas, V. N., Шовкопляс, В. Н.

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Information Complexity of Multidimensional Fredholm Integral Equations with Harmonic Coefficients by Azizov, M., Азизов, М., Азизов, М.

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A Remark on the Completeness of Systems of Exponentials with Weight in $L^2(ℝ)$ by Vynnyts’kyi, B. V., Shapovalovskii, A. V., Винницький, Б. В., Шаповаловський, О. В.

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New Generalizations of the Scorza-Dragoni Theorem by Gaidukevich, O. L., Maslyuchenko, V. K., Гайдукевич, О. І., Маслюченко, В. К.

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Determination of the Spectral Index of Ergodicity of a Birth-and-Death Process by Kartashov, M. V., Карташов, Н. В., Карташов, Н. В.

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Estimates of the Best $M$-Term Trigonometric Approximations of the Classes $L_{β, p}^{ψ}$ of Periodic Functions of Many Variables in the Space $L_q$ by Konsevich, N. M., Консевич, Н. М.

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Description of Convex Curves by Ligun, A. A., Shumeiko, A. A., Лигун, А. А., Шумейко, А. А., Лигун, А. А., Шумейко, А. А.

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Time-Irreversibility and Existence and Uniqueness of Solutions of Problems in Linear Viscoelasticity by Matarazzo, G., Матаразо, Г.

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