[1]
M. H. M. Rashid, “Subscalarity of $k$-quasi-class $A$ operators”, MFAT, vol. 25, no. 2, pp. 177–188, Jun. 2019, Accessed: Feb. 04, 2026. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/721