00559naa#a2200193#i#450# EN\\bibl\11529 20240508023355.3 1995-042X 20160516b2016####ek#y0engy0150####ca RUS RU Current problems of incoming tourism in Russia Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 7 с. Journal article local Silaeva Anna Konovalova Elena Leonova Valentina rguts.editorum.ru