LEBEDEV, E. .; PONOMAROV, V. . Stationary regime for a queue of the type M|M|c|c + m with constant retrial rate . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 7, p. 22–31, 2020. DOI: 10.15407/dopovidi2020.07.022. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/2020-7-4. Acesso em: 19 jun. 2026.