DAS, G.; RAO, K. A. S. S. V. K. Some Generalisation of Strong and Absolute almost Convergence. The Journal of the Indian Mathematical Society, [S. l.], v. 60, n. 1-4, p. 225–246, 1994. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/21996. Acesso em: 5 may. 2024.