00464naa#a2200169#i#450# EN\INFRA-M\bibl\6792 20250111190252.6 2587-9111 20150810b2015####ek#y0engy0150####ca RUS RU Kondratiev Cycles in Norwegian Economy Journal article Moscow INFRA-M Academic Publishing LLC. 2015 5 с. Journal article local Korzhov Vladimir zh-szf.ru