00629naa#a2200205#i#450# EN\\bibl\68745 20240701095610.1 2307-7476 20170925b2017####ek#y0engy0150####ca RUS RU CHECK OF THE DISTRIBUTION LAW OF SERVICE TIME IN THE QUEUING SYSTEM Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2017 9 с. Journal article local Kamenetskaya N V Medvedeva O M Khitov S B Koshelev V A journals.igps.ru