00638naa#a2200181#i#450# EN\INFRA-M\bibl\49961 20240511234502.6 2587-9111 20220511b2022####ek#y0engy0150####ca RU Improving the Models of Kondratyev Cycles in Economic Dynamics Journal article Moscow INFRA-M Academic Publishing LLC. 2022 4 с. Journal article local Экономика. Народное хозяйство. Экономические науки. 33 Basovskiy Leonid Efimovich Basovskaya Elena Nikolaevna naukaru.ru