TY JOUR TI Committee of Constitutional Supervision of the USSR in the state-legal history of Russia: the experience of legal regulation organizations and activities KW constitutional supervision KW constitutional control KW Soviet constitutionalism KW separation of powers KW powers KW constitutional process JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Astafichev, P.A. PY 2022 IS 2022 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION