TY JOUR TI CONCEPT AND ASPECTS OF THE UNIFICATION OF CRIMINAL LEGISLATION KW unification of criminal legislation KW differentiation of criminal responsibility KW levels of unification of criminal legislation KW bases for unification of criminal legislation KW results of unification of criminal legislation KW means of unification of criminal legislation JO Volgograd Academy of the Ministry of the Interior of Russia AU Egorova, N.A. PY 2025 IS 0 PB Volgograd Academy of the Ministry of Internal Affairs of Russia