00485naa#a2200157#i#450# EN\\bibl\93257 20250407055742.1 1998-6785 20250108b2025####ek#y0engy0150####ca RU How Russian emigrants traveled to China: the first guidebooks Journal article Vladivostok Vladivostok State University 2025 4 с. Journal article local Khisamutdinov Amir Aleksandrovich ojkum.editorum.ru