00682naa#a2200205#i#450# EN\\bibl\43528 20240506134948.1 2078-5356 20210428b2021####ek#y0engy0150####ca RUS RU Criminological and operational-search prevention of extremist activities Journal article Nizhny Novgorod Nizhny Novgorod Academy of the Ministry of the Interior of Russia 2021 6 с. Journal article local Право. Юридические науки. 34 RUS Petryanin Alexey V. Kulikov Roman S. Antonov Igor Yu. namvd.editorum.ru