1. Meadows, D.H., Thinking in Systems: A Primer, Vermont: Chelsea Green Publishing, 2008. Translated under the title Azbuka sistemnogo myshleniya, Moscow: BINOM, Laboratoriya Znanii, 2011.
2. Aliev, T.I., Approximation of the Probabilistic Distributions in the Queuing System Models, Nauchn.-Tekhn. Vestn. Inform. Tekhnol., Mekh. Opt., 2013, no. 2(84), pp. 88–93.
3. Kashtanov, V.A., Elementy teorii sluchainykh protsessov (Elements of the Random Process Theory), Moscow: MGIEM, 2010.
4. Kleinrock, L., Queueing Systems, vol. 1: Theory, New York: Wiley, 1975. Translated under the title Teoriya massovogo obsluzhivaniya, Moscow: Mashinostroenie, 1979.