00750naa#a2200169#i#450# EN\FGKOU VO SPBU MVD ROSSII\bibl\110811 20260429043539.3 2713-0622 20260428b2026####ek#y0engy0150####ca RU Countering the involvement of minors and youth in extremist criminal activities (using the example of Saint Petersburg and the Leningrad region) Journal article St. Petersburg SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION 2026 14 с. Journal article local Общие теории преступления и преступности. 343.9.01 Il'in Ilya Sergeevich vestnikspbmvd.ru