00638naa#a2200181#i#450# EN\\bibl\16910 20240429005944.1 1993-7768 20170704b2017####ek#y0engy0150####ca RU Problems and prospects of spatial development of the Russian Federation Journal article CHERKIZOVO Russian State University of Tourism and Service 2017 7 с. Journal article local Туристско-экскурсионное обслуживание. 71.37 grnti Yudina Elena V. Ukhina Tat’yana V. philosoph.editorum.ru