Convergence of Fourier series of functions $\text{Lip} 1$ with respect to general orthonormal systems by Gogoladze, L., Tsagareishvili, V., Гоголадзе, Л., Цагарейшвілі, В.

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Spaces of smooth and generalized vectors of the generator of an analytic semigroup and their applications by Gorbachuk, V. M., Gorbachuk, M. L., Горбачук, В. М., Горбачук, М. Л.

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Approximation of functions from the classes $W_{β}^r H^{α }$ by Weierstrass integrals by Hrabova, U. Z., Kalchuk, I. V., Stepanyuk, T. A., Грабова, У. З., Кальчук, І. В., Степанюк, Т. А.

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Parameters for Ramanujan’s function $χ(q)$ of degree five and their explicit evaluation by Dharmendra, B. N., Дхармендра, Б. Н.

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Problem with integral conditions in the time variable for Sobolevtype system of equations with constant coefficients by Kuz, A. M., Ptashnik, B. I., Кузь, А. М., Пташник, Б. Й.

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Balancing polynomials and their derivatives by Ray, P. K., Раі, П. К.

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Affine curvature of plane geodesic lines on affine hypersurfaces by Shuhaylo, O., Шугайло, О. О.

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Myroslav L’vovych Horbachuk by EditorialBoard, Редколегія

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Oleksandr Ivanovych Stepanets’ (on his 75th birthday) by Romanyuk, A. S., Romanyuk, V. S., Savchuk, V. V., Samoilenko, A. M., Serdyuk, A. S., Sokolenko, I. V., Романюк, А. С., Романюк, В. С., Савчук, В. В., Самойленко, А. М., Сердюк, А. С., Соколенко, І. В.

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Polynomial inequalities in quasidisks on weighted Bergman space by Abdullayev, G. A., Abdullayev, F. G., Tunç, E., Абдуллаєв, Г. А., Абдуллаєв, Ф. Г., Тунс, Е.

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On the moduli of continuity and fractional-order derivatives in the problems of best mean-square approximations by entire functions of the exponential type on the entire real axis by Vakarchuk, S. B., Вакарчук, С. Б., Вакарчук, С. Б.

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Exact constant in the Dzyadyk inequality for the derivative of an algebraic polynomial by Galan, V. D., Shevchuk, I. A., Галан, В. Д., Шевчук, І. О.

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Padé approximants for some classes of multivariate functions by Holub, A. P., Lysenko, L. O., Голуб, А. П., Лисенко, Л. О.

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Pointwise estimation of an almost copositive approximation of continuous functions by algebraic polynomials by Dzyubenko, H. A., Дзюбенко, Г. А.

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Approximating properties of biharmonic Poisson operators in the classes $\hat{L}^{\psi}_{\beta, 1}$ by Zhyhallo, T. V., Kharkevych, Yu. I., Жигалло, Т. В., Харкевич, Ю. І.

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Direct and inverse theorems on the approximation of 2π -periodic functions by Taylor – Abel – Poisson operators by Prestin, J., Savchuk, V. V., Shydlich, A. L., Престін, Ю., Савчук, В. В., Шидліч, А. Л.

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Trigonometric and linear widths for the classes of periodic multivariable functions by Romanyuk, A. S., Романюк, А. С., Романюк, А. С.

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Kolmogorov widths and entropy numbers in the Orlich spaces with the Luxembourg norm by Romanyuk, V. S., Романюк, В. С., Романюк, В. С.

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Approximation of the classes of generalized Poisson integrals by Fourier sums in metrics of the spaces $L_s$ by Serdyuk, A. S., Stepanyuk, T. A., Сердюк, А. С., Степанюк, Т. А.

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On the fractional integrodifferentiation of complex polynomials in $L_0$ by Kovalenko, L. G., Storozhenko, E. A., Коваленко, Л. Г., Стороженко, Э. А., Коваленко, Л. Г., Стороженко, Э. А.

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