MINKEVICIUS, S. About cumulative idle time model of the message switching system. CUBO, A Mathematical Journal, [S. l.], v. 15, n. 2, p. 53–63, 2013. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1309. Acesso em: 18 may. 2024.