00532naa#a2200181#i#450# EN\\bibl\87645 20251218122355.4 2074-8183 20131225b2013####ek#y0engy0150####ca RUS RU THE CONCEPT OF OPERATIONAL-SEARCH ACTIVITY AS THE THEORETICAL PROBLEM Journal article Volgograd Volgograd Academy of the Ministry of Internal Affairs of Russia 2013 4 с. Journal article local va-mvd.editorum.ru