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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Subalgebras of the Poincare algebra $AP (2, 3)$ and symmetry reduction of the nonlinear ultrahуperbolic d’Alambert equation. I by Barannik , L. F., Lagno , V. I., Fushchich , V. I., Баранник , Л. Ф., Лагно , В И., Фущич , В. И.

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On a differential equation with perturbation at the highest derivative by Zhukova , G. S., Жукова , Г. С.

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Convergence of the linear's average multiple Fourier series of continuous functions by Zaderei , P. V., Задерей , П. В.

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On optimal planning for the best prediction of the linear regression function by Zaigraev , A. Yu., Заиграев , А. Ю.

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Neterovian biseries rings by Kirichenko , K. V., Yaremenko , Yu. V., Кириченко , В. В., Яременко , Ю. В.

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On a class of groups with invariant subgroups of the infinite index by Kraichuk , A. V., Крайчук , А. В.

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Approximation of functions regular in convex polygons by exponential polynomials by Melnik, Yu. I., Мельник, Ю. И.

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Algebraic scheme of discrete approximations of linear and nonlinear dynamic systems of mathematical physics by Mitropolsky , Yu. A., Prikarpatsky , A. K., Samoilenko , V. Gr., Митропольский , Ю. А., Прикарпатский , А. К., Самойленко , В. Гр.

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Singular single-point problem for the nonlinear delay system by Norkin , S. B., Норкин , С. Б.

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Application of the projectional spectral theorem to non-commutating operators families by Ostrovsky , V. L., Samoilenko, Yu. S., Островский , В. Л., Самойленко , Ю. С.

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«Shortening» of calculating systems of differential equations with the impulse effeсt by Rogovchenko , S. P., Роговченко , С. П.

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Limited theorem for random functions, plotted according to quadratic forms from Gaussian random values by Ryzhov , Yu. M., Рыжов , Ю. М.

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Averaging method in multifrequency systems with slowly varying parameters by Samoilenko , A. M., Petrishin, R. I., Самойленко , А. М., Петришин , Р. И.

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Asymptotic study of linear-quadratic control problem by Yatsenko , T. P., Яценко , Т. П.

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Aleksandr Yulievich Ishlinsky (on the 75th anniversary of his birth) by Mitropolsky , Yu. A., Storozhenko , V. A., Temchenko , M. E., Митропольский , Ю. А., Стороженко , В. А., Темченко , М. Е.

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On inlegral equation of the Volterra type by Ashirov , S., Mamedov , Ya. D., Аширов , С., Мамедов , Я. Д.

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Continuous dependence on parameters of restricted solution of the Riccati differential equation by Grod , I. N., Грод , И. Н.

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Group approach to integration of the Todes infinite chain by Daletsky , A. Yu., Podkolzin , G. B., Далецкий , А. Ю., Подколзин , Г. Б.

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Concerning the mapping of a circular multiply connected domain on the plane and circle with notches along the finite rectilinear segments by Dunduchenko , L. E., Дундученко , Л. Е.

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