VAKARCHUK, S. B. On the estimates of widths of the classes of functions defined by the generalized moduli of continuity and majorants in the weighted space $L_{2x} (0,1)$. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 2, p. 179–189, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1430. Acesso em: 27 apr. 2025.