1.
P. C. Garg, Sanjeev Kumar. A Single Server Retrial Queue with Impatient Customers. Math. J. Interdiscip. Sci. [Internet]. 2012Jul.2 [cited 2019Oct.17];1(1):67-2. Available from: https://mjis.chitkara.edu.in/index.php/mjis/article/view/161