00492naa#a2200181#i#450# EN\\bibl\15225 20250106100919.1 2071-2367 20161229b2016####ek#y0engy0150####ca RUS RU Extremism in the conception of social and humanitarian knowledge Journal article Moscow RANEPA 2016 7 с. Journal article local Merkulov Pavel Prokazina Natalya naukaru.ru