PROHOROV, Yu. V. The transient phenomena in the queuing process I. Lithuanian Mathematical Journal, [S. l.], v. 3, n. 1, p. 199–205, 1963. DOI: 10.15388/LMJ.1963.19422. Disponível em: https://www.journals.vu.lt/LMJ/article/view/19422. Acesso em: 14 apr. 2025.