00562naa#a2200157#i#450# EN\\bibl\70888 20240519010934.7 2078-5356 20230930b2023####ek#y0engy0150####ca RU About the concept and place of the phenomenon of “extremism” in the modern socio-legal field Journal article Nizhny Novgorod Nizhny Novgorod Academy of the Ministry of the Interior of Russia 2023 4 с. Journal article local Pshenichnov Ilya Mihaylovich namvd.editorum.ru