S. Shanmugasundaram, S. Chitra. Time Dependent Solution of M/M/C Feedback Queue With Catastrophes. Int. J. Math. And Appl. [Internet]. 2016 Sep. 1 [cited 2024 Jul. 22];4(3 - A):63-72. Available from: https://ijmaa.in/index.php/ijmaa/article/view/972