ARTAMONOV, S. On some constructions of a non-periodic modulus of smoothness related to the Riesz derivative. Eurasian Mathematical Journal, [S. l.], v. 9, n. 2, 2024. Disponível em: https://emj.enu.kz/index.php/main/article/view/112. Acesso em: 19 nov. 2024.