00652naa#a2200205#i#450# EN\\bibl\11921 /en/manage/index 20250801104826.5 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 fht.editorum.ru /en/manage/index