SULAIMAN, W. T. RELATION ON SOME SUMMABILITY METHODS. Tamkang Journal of Mathematics, [S. l.], v. 25, n. 3, p. 239–245, 1994. DOI: 10.5556/j.tkjm.25.1994.4451. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4451. Acesso em: 22 dec. 2024.