00673naa#a2200193#i#450# EN\\bibl\106914 20251206161827.6 2782-4586 20251203b2025####ek#y0engy0150####ca RU Analysis and evaluation of financial pyramids on the US stock markets Journal article Moscow ITBO University 2025 9 с. Journal article local Экономика. Народное хозяйство. Экономические науки. 33 Verzhakovskaya Marina Aleksandrovna Korolev Andrey Andreevich Shubina Alina Aleksandrovna jomeam.ru