KUTTNER, B. On " Quasi-Cesaro " Summability. The Journal of the Indian Mathematical Society, [S. l.], v. 24, n. 1-2, p. 319–341, 1960. DOI: 10.18311/jims/1960/16915. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/16915. Acesso em: 3 may. 2024.