IGENBERLINA, A.; KEULIMZHAYEVA, Zh. On the strong summability of the Fourier–Walsh series in the Besov space. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 76, n. 9, p. 1304–1315, 2025. DOI: 10.3842/umzh.v76i9.7577. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7577. Acesso em: 15 dec. 2025.