00540naa#a2200169#i#450# EN\\bibl\8098 20260314043519.6 1993-7768 20151201b2015####ek#y0engy0150####ca RUS RU Main stages of formation and development of the classic concept of quality of life Journal article CHERKIZOVO Russian State University of Tourism and Service 2015 5 с. Journal article local Kharitonova Tatyana Viktorovna rguts.editorum.ru