-
Вакарчук С.Б.,
Забутна В.І.,
Вакарчук М.Б.,
Найкращi полiномiальнi наближення в просторах Хардi деяких класiв аналiтичних функцiй
Вісник Дніпропетровського університету, Серія Математика. Вип. 23, 26, no. 6(1) (2018) c. 8-17 doi: https://doi.org/10.15421/241802
url
-
Vakarchuk S.B.,
Vakarchuk M.B.,
On generalized characteristics of smoothness of functions and on average ν-widths in the space L2(R)
Researches in Mathematics, 27, no. 1 (2019) 14-27 doi: https://doi.org/10.15421/241902
url
-
Vakarchuk S.B.,
Vakarchuk M.B.,
On the estimates of the values of various widths of classes of functions of two variables in the weight space L 2, γ (R 2), γ= exp (− x 2− y 2)
Journal of Mathematical Sciences, 248, no. 2 (2020) 217-232 doi: https://doi.org/10.1007/s10958-020-04871-5
url
-
Vakarchuk S.B.,
Vakarchuk M.B.,
K-Functionals and Extreme Problems of the Approximation Theory for Classes of Analytic Functions in a Circle. I
Ukrainian Mathematical Journal, 74, no. 4 (2022) 532-550 doi: https://doi.org/10.1007/s11253-022-02081-7
url
-
Vakarchuk S.B.,
Vakarchuk M.B.,
K-Functionals and Extreme Problems of the Approximation Theory for Classes of Analytic Functions in a Circle. II
Ukrainian Mathematical Journal, 74, no. 7 (2022) 1053-1062 doi: https://doi.org/10.1007/s11253-022-02119-w
url