00654naa#a2200181#i#450# EN\\bibl\120912 20260502214137.6 2782-4586 20260308b2026####ek#y0engy0150####ca RU Comparative analysis of the effectiveness of artificial intelligence chat interfaces in forming an investment portfolio based on stock market data Journal article Moscow ITBO University 2026 8 с. Journal article local Определение параметров. 336.051 Golovan' Sof'ya Andreevna Teten'kina Vlada Vladislavovna jomeam.ru