00691naa#a2200181#i#450# EN\FGKOU VO SPBU MVD ROSSII\bibl\115423 20260221111423.6 2227-7226 20230331b2023####ek#y0engy0150####ca RU On security measures during mass sporting events Journal article St. Petersburg SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION 2023 5 с. Journal article local Организация спортивных мероприятий. 796.062.4 Zaycev Anatoliy Aleksandrovich Lapin Dmitry Alexandrovich vestnikkf.ru