[1]
I. I. Yezhov and V. F. Kadankov, “On the Distribution of the Number of Calls in the Queuing System $D_{η}|D_{ξ}^{\kappa}|1$”, Ukr. Mat. Zhurn., vol. 52, no. 8, pp. 1075–1081, Aug. 2000, Accessed: Feb. 17, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4510