S. VANITHA. M/G/1 Queue with Multiple Optional Services and Deterministic Repair Times. International Journal of Mathematics And its Applications, [S. l.], v. 4, n. 4, p. 17–29, 2016. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/951. Acesso em: 3 jul. 2024.