00343nas a2200121   4500000000100000008004100001260004600042100001800088700001700106700001700123245005800140020002300198       2017                            d  c2017bSpringeraKazan, Russian Federation1 aE. Pankratova1 aM. Farkhadov1 aErol Gelenbe00aResearch of Heterogeneous Queueing System SM|M(n)|∞  a978-3-319-68068-2