TY JOUR TI Problems of legal regulation of public order maintenance and public safety during cultural and entertainment events KW maintaining public order; public safety; public events; cultural and entertainment events; improvement of legal regulation; police; public order; mass and public events; ensuring safety of citizens; regulatory activity JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Avrutin, R.Y. AU Shihalov, A.O. PY 2021 IS 2021 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION