00591naa#a2200193#i#450# EN\\bibl\11916 20240510024742.5 1995-042X 20160616b2016####ek#y0engy0150####ca RUS RU As a tourist route network in the polar regions of the Russian Federation Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 9 с. Journal article local Lazareva Marina Sarancha Mikhail Krivopusk Svetlana rguts.editorum.ru