00631naa#a2200181#i#450# EN\INFRA-M\bibl\28099 20250109071255.4 2500-0497 20190327b2019####ek#y0engy0150####ca RUS RU The problem of heroism in the era of revolutionary upheavals in Russia (on the example of the activity of professional revolutionary S. Ter-Petrosyan) Journal article Moscow INFRA-M Academic Publishing LLC. 2019 3 с. Journal article local Всеобщая история. 94 RUS Piloyan M. G. naukaru.ru