TY JOUR TI Admission and placement of prisoners under the General prison instruction of 1915: legal mechanisms and guarantees KW Penitentiary system KW prisoner admission KW General prison instruction of 1915 KW prisoner classification KW prisoner rights KW quarantine KW juvenile offenders in custody JO Bulletin of the Kaliningrad branch of the Saint-Petersburg University of the Ministry of Internal Affairs of Russia AU Epifanov, A.E. PY 2026 IS PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION