TEAM, S. Quasi Almost Convergence in a Normed Space for Double Sequences: Vakeel A. Khan. Thai Journal of Mathematics, [S. l.], v. 8, n. 2, p. 293–297, 2010. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/200. Acesso em: 22 dec. 2024.