TY JOUR TI Judicial precedent as an element of the modern legal system of the Russian state: possibility and consequences of recognition as an official source of law KW judicial precedent KW legal system KW system of sources of law KW judicial system KW judicial authority KW source of law JO Advances in Law Studies AU Matveev, G.S. AU Haimov, A.I. PY 2023 IS 11 PB Publishing Center RIOR