YEZHOV, I. I.; KADANKOV, V. F. On the Distribution of the Number of Calls in the Queuing System $D_{η}|D_{ξ}^{\kappa}|1$. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 8, p. 1075–1081, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4510. Acesso em: 5 dec. 2025.