On a new approach to the construction of hypercomplex number systems of rank two over the field of complex numbers by Klipkov, S. I., Клипков, С. И., Клипков, С. И.

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Asymptotic two-phase solitonlike solutions of the singularly perturbed Korteweg-de Vries equation with variable coefficients by Samoilenko, V. G., Samoilenko, Yu. I., Самойленко, В. Г., Самойленко, Юл. І.

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Lower bound for the best approximations of periodic summable functions of two variables and their conjugates in terms of Fourier coefficients by Kononovych, T. O., Кононович, Т. О.

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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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On a Jackson-Type Inequality in the Approximation of a Function by Linear Summation Methods in the Space $L_2$ by Bozhukha, L. N., Божуха, Л. Н., Божуха, Л. Н.

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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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Semi-nonoscillation intervals and sign-constancy of Green’s functions of two-point impulsive boundary-value problems by Domoshnitsky, A., Mizgireva, Iu., Raichik, V., Домошнитский, Александр, Mizgireva, Iuliia, Domoshnitsky, A., Mizgireva, Iu., Raichik, V.

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Linear periodic boundary-value problem for a second-order hyperbolic equation. II. Quasilinear problem by Khoma, N. H., Хома, H. Г.

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Boundary-value problems with random initial conditions and functional series from subφ (Ω). II by Koval’chuk, Yu. A., Kozachenko, Yu. V., Ковальчук, Ю. А., Козаченко, Ю. В., Ковальчук, Ю. А., Козаченко, Ю. В.

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Asymptotic behavior of solutions of pulse systems with small parameter and markov switchings. II. Weak convergence of solutions by Sverdan, M. L., Tsar’kov, E. F., Yasinsky, V. K., Свердан, М. Л., Царков, Є. Ф., Ясинський, В. К.

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On the nilpotency class of a multiplicative group of a modular group algebra of a dihedral 2-group by Konovalov, A. B., Коновалов, А. Б., Коновалов, А. Б.

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On ideals of the group algebra of a free group of degree of freedom two over the field of complex numbers by Tushev, A. V., Тушев, А. В., Тушев, А. В.

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The structure of linear extensions with the Favard type conditions II. Linear extensions with the additivity property of recurrent motions by Glavan, V. A., Главан, В. А., Главан, В. А.

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Задача Дирихле для эллиптической системы линейных диференциальных уравнений 2-го порядка на плоскости... by Вольперт , А. И., Вольперт , А. И., Вольперт , А. И.

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On the symplectic structure deformations related to the Monge–Ampère equation on the Kähler manifold $P_{2}(\mathbb{C})$ by Balinsky, A. A., Prykarpatski, A. K., Pukach, P. Ya., Vovk, M. I., Balinsky, A. A., Prykarpatski, A. K., Pukach, P. Ya., Vovk, M. I.

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Periodic Coulomb dynamics of two equal negative charges in the field of four equal positive fixed charges by Skrypnik, W. I., Skrypnik, Volodymyr, Скрипник , В. І.

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Two proofs of Cauchy’s Inequality between the arithmetical and geometrical means of a system of non-negative numbers by Dzyadyk, V. K., Дзядык, В. К.

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Periodic Coulomb dynamics of two equal negative charges in the field of six equal positive fixed charges by Skrypnyk, V. I., Skrypnyk, Volodymyr, Скрипник , В. І.

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Exact values of widths for the classes of functions defined by the averaged smoothness characteristics and majorants in the space $L_2$ by Vakarchuk, S., Zabutna, V., Vakarchuk, M., Вакарчук, Сергій, Забутна, Валентина, Вакарчук, Михайло

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Development of software for PV plant optimization. II. Dependence of sizing parameters on the tilt angle of PV modules by Gaevskaya, A., Gaevskii, A.

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