TY JOUR TI COMPARATIVE ANALYSIS OF THE ACCURACY OF THE SIMULATION MODEL OF QUEUING SYSTEMS WITH SERVICES OF DIFFERENT PERFORMANCE KW QUEUING SYSTEMS (QMS) KW UNEQUAL CHANNELS KW SIMULATION MODELING KW KOLMOGOROV EQUATIONS KW ANYLOGIC KW GPSS WORLD KW ENGEE JO Herald of Technological University AU Lebedeva, V.A. AU Ilyina, J.A. PY 2026 IS 29 PB Kazan National Research Technological University