On the criteria of transversality and disjointness of nonnegative selfadjoint extensions of nonnegative symmetric operators by Kovalev, Yu. G., Ковалев, Ю. Г., Ковалев, Ю. Г.

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Limit theorems for the maximum of sums of independent random processes by Matsak, I. K., Plichko, A. M., Sheludenko, A. S., Мацак, І. К., Плічко, А. М., Шелуденко, А. С.

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Mechanical systems with singular equilibria and the Coulomb dynamics of three charges by Skrypnik, W. I., Скрипник, В. І.

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The Drazin inverses of infinite triangular matrices and their linear preservers by Słowik, R., Словік, Р.

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A note on the coefficient estimates for some classes of $p$ -valent functions by Sharma, N. L., Шарма, Н. Л.

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Estimates of the best bilinear approximations for the classes of $(ψ,β)$-differentiable periodic multivariate functions by Shvai, K. V., Швай, К. В.

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Best approximation of the functions from anisotropic Nikol’skii – Besov classes defined in $R^d$ by Yanchenko, S. Ya., Янченко, С. Я.

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A corrigendum to “Hereditary properties between a ring and its maximal subrings” by Gaur, A., Kumar, R., Гаур, А., Кумар, Р.

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Second-order differential subordinations on a class of analytic functions defined by Rafid-operator by Akgül, A., Акгюл, А.

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Numerical solutions of fractional system, two-point BVPs using iterative reproducing kernel algorithm by Al-Smadi, M., Altawallbeh, Z., Ateiwi, A. M., Komashinskaya, I. V., Аль-Смаді, М., Алтавабех, З., Атеіві, А. М., Комашинська, І. В.

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Divergence theorem in the $L_2$ -version. Application to the Dirichlet problem by Bogdanskii, Yu. V., Богданский, Ю. В., Богданский, Ю. В.

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On the approximation of the classes $W_{β}^rH^{α}$ by biharmonic Poisson integrals by Hrabova, U. Z., Kalchuk, I. V., Stepanyuk, T. A., Грабова, У. З., Кальчук, І. В., Степанюк, Т. А.

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On Darboux vector in Lorentzian 5-space by Iyigün, E., Ійігун, Е.

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Application of the method of averaging to the problems of optimal control for ordinary differential equations on the semiaxis by Kichmarenko, O. D., Кічмаренко, О. Д.

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Joint universality for $L$-functions from Selberg class and periodic Hurwitz zeta-functions by Macaitienė, R., Макатіене, Р.

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Construction of intermediate differentiable functions by Maslyuchenko, V. K., Mel'nik, V. S., Маслюченко, В. К., Мельник, В. С.

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Continued-fractions representations of the functions $\mathrm{s}\mathrm{h} z, \mathrm{c}\mathrm{h} z, \mathrm{s}\mathrm{i}\mathrm{n} z, \mathrm{c}\mathrm{o}\mathrm{s} z$ by Pahirya, M. M., Пагіря, М. М.

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Multiple modules of continuity and the best approximations of periodic functions in metric spaces by Pichugov, S. A., Пичугов, С. А., Пичугов, С. А.

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Best approximations of the Cauchy – Szegö kernel in the mean on the unit circle by Savchuk, V. V., Савчук, В. В.

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Necessary and sufficient conditions for the absolute instability of solutions of linear differential-difference equations with self-adjoint operator coefficients by Slyusarchuk, V. Yu., Слюсарчук, В. Ю.

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