TOTUR, Ümit; ÇANAK, İbrahim. Some Tauberian theorems for the weighted mean method of summability of double sequence. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 75, n. 9, p. 1276–1293, 2023. DOI: 10.3842/umzh.v75i9.509. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/509. Acesso em: 5 dec. 2025.