00714naa#a2200193#i#450# EN\\bibl\72852 20240517083249.5 2073-5537 20231226b2023####ek#y0engy0150####ca RU Research on the private investment market transformation in Russia at the present stage Journal article Astrakhan Astrakhan State Technical University 2023 6 с. Journal article local Биржи ценных бумаг. Биржи активов. Фондовые биржи. 336.761 Kataeva Tatyana Mihaylovna Kataev Alexei Vladimirovich Kozhenko Yana Vasilevna vestnik.astu.org