Šnipas , Mindaugas, and Eimutis Valakevičius. “Application of Mixture of Exponentials Distributions for Modeling Queuing Systems”. Lietuvos matematikos rinkinys 48, no. proc. LMS (December 21, 2008): 245–251. Accessed May 3, 2024. https://www.journals.vu.lt/LMR/article/view/18103.