00599naa#a2200157#i#4500001003900000005001700039011001400056100004100070102000700111200012300118210011600241215001000357608002700367700003000394856001700424EN\FGKOU VO SPBU MVD ROSSII\bibl\7599020251012141337.7##a2227-7226##a20240628b2024####ek#y0engy0150####ca##aRU1#aThe concept of «operational contact» in operational investigative activities and its interpretationeJournal article1#aSt. PetersburgcSAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATIONd2024##a4 с.##aJournal article2local#1aPopovgSergey Viktorovich4#avestnikkf.ru