00599naa#a2200193#i#450# EN\\bibl\11921 20250109001702.4 1995-042X 20160616b2016####ek#y0engy0150####ca RUS RU The problem of classification of hotel enterprises in the Russian Federation: analytical aspect Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 8 с. Journal article local Korneev Aleksey Rudneva Marina Shiyanova Alena zh-szf.ru