P. Shanmugapriya, P. Maheswari Naik. Spectral Properties of M-class $A_{k}^{*}$ Operator. Int. J. Math. And Appl. [Internet]. 2019 Jun. 15 [cited 2024 Jul. 3];7(2):171-6. Available from: https://ijmaa.in/index.php/ijmaa/article/view/259