TY JOUR TI DIFFERENTIATION OF THE CONDITIONS OF DETENTION OF PERSONS CONVICTED OF COMMITTING CRIMES OF A TERRORIST NATURE AND EXTREMIST ORIENTATION KW differentiation KW conditions of detention KW terrorism KW extremism KW convicts KW special conditions of detention KW progressive system KW imprisonment KW optimization KW anti-extremist mechanism JO Penal law AU Zabrodin, A.V. PY 2025 IS 20 PB Academy of the FPS of Russia