POZHARSKA, K.; ROMANYUK , A.; YANCHENKO, S. Best approximations for classes of periodic functions of many variables with bounded dominating mixed derivative. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 76, n. 7, p. 1007–1023, 2024. DOI: 10.3842/umzh.v76i7.8307. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8307. Acesso em: 14 apr. 2025.