00576naa#a2200169#i#450# EN\INFRA-M\bibl\48783 20241202194142.1 2587-9111 20220216b2022####ek#y0engy0150####ca RU General Issues of Designing and Managing a Portfolio of Financial Instruments Journal article Moscow INFRA-M Academic Publishing LLC. 2022 7 с. Journal article local Экономика. Экономические науки. 33 Sinchukov Aleksandr Valer'evich naukaru.ru