Yezhov, I.I. and Kadankov, V.F. (2002) “System $G|G^κ|1$ with Batch Service of Calls”, Ukrains’kyi Matematychnyi Zhurnal, 54(4), pp. 447–465. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4083 (Accessed: 5 December 2025).