KACZMAREK, Sylwester; SAC, Maciej. Approximation of Message Inter-Arrival and Inter-Departure Time Distributions in IMS/NGN Architecture Using Phase-Type Distributions. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 53, n. 3, p. 9–18, 2013. DOI: 10.26636/jtit.2013.3.1219. Disponível em: https://www.jtit.pl/jtit/article/view/1219. Acesso em: 15 jun. 2026.