Estimation of the best approximation of periodic functions of two variables by an “angle” in the metric of $L_p$ by Konopovich, T. O., Конопович, Т. О.

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Representation of an algebra associated with the Dynkin graph $\tilde E_7$ by Ostrovskii, V. L., Островський, В. Л.

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Truncation method for countable-point boundary-value problems in the space of bounded number sequences by Nedokis, V. A., Samoilenko, A. M., Teplinsky, Yu. V., Недокіс, В. А., Самойленко, А. М., Теплінський, Ю. В.

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Powers of the curvature operator of space forms and geodesics of the tangent bundle by Sakharova, Е., Yampolsky, A., Сахарова, Є., Ямпольський, А.

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Uniform approximation of solutions of nonlinear parabolic problems in perforated domains by Zhuravskaya, A. V., Skrypnik, I. V., Журавская, А. В., Скрыпник, И. В., Журавская, А. В., Скрыпник, И. В.

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On the classification of functional equations on quasigroups by Sokhats’kyi, F. M., Сохацький, Ф. М.

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Approximation of functions defined on the real axis by operators generated by λ-methods of summation of their Fourier integrals by Zhyhallo, T. V., Kharkevych, Yu. I., Жигалло, Т. В., Харкевич, Ю. І.

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Separately continuous functions with respect to a variable frame by Herasymchuk, V. H., Maslyuchenko, V. K., Maslyuchenko, O. V., Герасимчук, В. Г., Маслюченко, В. К., Маслюченко, О. В.

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On the existence of global attractors for one class of cascade systems by Kapustyan, O. V., Капустян, О. В.

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On the structure of resolvent of singularly perturbed operator solving the problem of eigenvalues by Koshmanenko, V. D., Tuhai, H. V., Кошманенко, В. Д., Тугай, Г. В.

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Classical Solvability of the First Initial Boundary-Value Problem for a Nonlinear Strongly Degenerate Parabolic Equation by Bazalii, B. V., Krasnoshchok, M. V., Базалий, Б. В., Краснощек, Н. В., Базалий, Б. В., Краснощек, Н. В.

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Stability of Solutions of a Quasilinear Index-2 Tractable Differential Algebraic Equation by the Lyapunov Second Method by Vu, Tuan, Pham, Van Viet, Ву, Туан, Фам, Ван В'єт

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Hopficity and Co-Hopficity in Soluble Groups by Endimioni, G., Ендиміоні, Г.

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On the Skitovich-Darmois Theorem on Abelian Groups by Myronyuk, M. V., Миронюк, М. В.

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Separately Continuous Functions on Products and Their Dependence on ℵ Coordinates by Mykhailyuk, V. V., Михайлюк, В. В.

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A Higher-Dimensional Version of the Brody Reparametrization Lemma by Nguyen, Doan Tuan, Нгуєн, Доан Туан

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Best Approximations of $q$-Ellipsoids in Spaces $S_{ϕ}^{p,μ}$ by Stepanets, O. I., Степанец, А. И., Степанец, А. И.

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Approximate Averaged Synthesis of the Problem of Optimal Control for a Parabolic Equation by Kapustyan, O. A., Sukretna, A. V., Капустян, О. А., Сукретна, А. В.

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Diffusive Lotka-Volterra System: Lie Symmetries and Exact and Numerical Solutions by Dushka, V. A., Cherniga, R. M., Душка, В. А., Черніга, Р. М.

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On Exponential Sums Related to the Circle Problem by Slezeviciene, R., Steading, J., Шлечевичен, Р., Штедін, Й.

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