TY JOUR TI CRIMINAL-LEGAL, CRIMINOLOGICAL AND PENAL STUDIES AND THEIR REFLECTION IN THE CONCEPT OF THE PENAL SYSTEM DEVELOPMENT FOR THE PERIOD UP TO 2030 KW penal system KW convict KW criminal punishment KW imprisonment KW research KW census of convicts KW resocialization KW postpenitentiary relapse KW social stratification of convicts JO Penal law AU SELIVERSTOV, V.I. PY 2019 IS 14 PB Academy of the FPS of Russia