TUNCER, A. N. Factors for absolute Cesaro summability. Tamkang Journal of Mathematics, [S. l.], v. 32, n. 1, p. 21–25, 2001. DOI: 10.5556/j.tkjm.32.2001.363. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/363. Acesso em: 6 may. 2024.