00475naa#a2200169#i#450# EN\INFRA-M\bibl\7392 20260116124909.5 2587-9111 20151019b2015####ek#y0engy0150####ca RUS RU Kondratieff Cycles in Developed Economies Journal article Moscow INFRA-M Academic Publishing LLC. 2015 4 с. Journal article local Basovskiy Leonid Efimovich zh-szf.ru