%0 Journal Article %T Improving the Models of Kondratyev Cycles in Economic Dynamics %A Basovskiy, L.E. %A Basovskaya, E.N. %K Kondratyev cycles, Fourier series, models, periods, formation moments, technological modes, productivity, forecasts, crisis %J Scientific Research and Development. Economics %D 2022 %N 10 %P 4 %I INFRA-M Academic Publishing LLC.