00522naa#a2200181#i#450# EN\\bibl\87066 20250807100713.4 2074-8183 20091225b2009####ek#y0engy0150####ca RUS RU LAW ENFORCEMENT AGENCIES’ ORGANIZATION DURING MASS EVENTS Journal article Volgograd Volgograd Academy of the Ministry of Internal Affairs of Russia 2009 7 с. Journal article local va-mvd.editorum.ru