https://vital.lib.tsu.ru/vital/access/manager/Index ${session.getAttribute("locale")} 5 Asymptotic analysis of retrial queueing system M/M/1 with impatient customers, collisions and unreliable server https://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000795565 Mon 29 Mar 2021 09:53:46 KRAT ]]>