Jurakhonov О. . О.А. Jurakhonov The exact values of the upper bounds for approximation in the mean of some classes of Ьivariate functions bу triangular Fourier-Hermite sums . BULLETIN OF THE L.N. GUMILYOV EURASIAN NATIONAL UNIVERSITY. Mathematics. Computer science. Mechanics series, [S. l.], v. 122, n. 1, p. 70–75, 2018. Disponível em: https://bulmathmc.enu.kz/index.php/main/article/view/19. Acesso em: 19 may. 2024.