MURSALEEN; KHAN, Q. A. STRONG $F_A$-SUMMABILITY. Tamkang Journal of Mathematics, [S. l.], v. 24, n. 2, p. 153–159, 1993. DOI: 10.5556/j.tkjm.24.1993.4485. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4485. Acesso em: 23 apr. 2024.