Wanjala Victor, Beatrice Adhiambo Obiero. On Almost Class (Q) and Class $(M,n)$ Operators. Int. J. Math. And Appl. [Internet]. 2021 Jun. 15 [cited 2024 May 4];9(2):115-8. Available from: http://ijmaa.in/index.php/ijmaa/article/view/74