00524naa#a2200169#i#450# EN\\bibl\4008 20240518232833.6 1993-7768 20141203b2014####ek#y0engy0150####ca RUS RU Uncertainties of innovative enterprises in a theoretical and practical perspective Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 6 с. Journal article local Mosalev Anton rguts.editorum.ru