TY JOUR TI The abandonment of the convicted person in detention center or his transfer to detention center in correctional institution in accordance with Article 77.1 of the Penal Code of the Russian Federation in the aspect of the progressive system of execution and serving of imprisonment KW progressive system of punishment execution KW coercive measure KW pretrial detention center KW correctional institution KW criminal process KW content of criminal punishment KW deprivation of liberty KW convict KW suspect KW accused KW witness KW victim JO Penal law AU Malin, P.. PY 2020 IS 15 PB Academy of the FPS of Russia