00605naa#a2200193#i#450# EN\\bibl\112925 20260118200832.7 2311-1402 20140925b2014####ek#y0engy0150####ca RUS RU Modeling and analysing structural shifts in the Russian economy Journal article Nizhnevartovsk Nizhnevartovsk State University 2014 7 с. Journal article local Эконометрия. 330.43 RUS Druzhinin Pavel Vasilievich Moroshkina Marina Valerievn vestnik.nvsu.ru