00593naa#a2200181#i#450# EN\INFRA-M\bibl\18474 20240915152256.7 2306-1731 20171012b2017####ek#y0engy0150####ca RUS RU The Eastern Question and the Idea of Slavic Unity in the Works of K.N. Leontiev Journal article Moscow INFRA-M Academic Publishing LLC. 2017 3 с. Journal article local Статистика. Демография. Социология. 31 RUS Kuznecov A. V. naukaru.ru