Pankaj Sharma
"Unreliable Server Mx/G/1 Queue with Loss-Delay, Balking and Second Optional Service".
International Journal of Engineering,
vol: 30, No. 2 Jul. 2017, pp: 243-252, https://scholar9.com/publication-detail/unreliable-server-mxg1-queue-with-lossdelay-ba-10972