TY JOUR TI The right to assemble: conditions for the exercise of civil liberties in the context of ensuring the stability of the state system (as assessed by Russian scholars of police law in the early 20th century) KW police science KW police-legal theory KW right to assemble KW public assemblies KW spontaneous assemblies KW peaceful assemblies KW union KW association KW unlawful gathering KW security police JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Nizhnik, N.S. AU Kozinnikova, E.N. PY 2026 IS 2026 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION