KUZNETSOVCI, O. I. On the problem of strong summability on disks. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 48, n. 5, p. 629–634, 1996. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5295. Acesso em: 14 apr. 2025.