00540naa#a2200157#i#450# EN\\bibl\117745 20260330032634.1 1813-4327 20250926b2025####ek#y0engy0150####ca RU OF BLESSED MEMORY OF SERGEY MIKHAILOVICH KOLOTUSHKIN - TEACHER, MENTOR, LEADER AND COLLEAGUE Journal article Volgograd Volgograd Academy of the Ministry of Internal Affairs of Russia 2025 3 с. Journal article local Dronova Olga Borisovna va-mvd.editorum.ru