N. Hafidi, J. H'Michane, and M. Sarih, “Some results on almost Banach-Saks operators”, MFAT, vol. 25, no. 3, pp. 227–235, Sep. 2019, Accessed: Feb. 04, 2026. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/728