TY JOUR TI THE MAIN STAGES OF THE EVOLUTION OF PROCEDURES FOR THE VERIFICATION OF LAW-ENFORCEMENT ACTS IN THE PRE-REVOLUTIONARY PERIOD KW law-enforcement act KW verification of law-enforcement acts KW forms of verification of law-enforcement acts KW juridical technology KW protection form JO Vestnik of the East Siberian institute of the Ministry of internal affairs of the Russian Federation AU SELIVANOV, A.S. PY 2018 IS PB East Siberian institute of the Ministry of Internal Affairs of the Russian Federation