TY JOUR TI Transformation of the global financial system: the US dollar and national currencies KW global financial system KW Federal Reserve System KW dollar KW national currencies KW de-dollarization KW oil KW futures KW yuan KW ruble KW deglobalization JO Theoretical economics AU Omarova, Z.K. AU Korovaevich, A.A. AU Konoplev, S.I. PY 2025 IS 0 PB Yaroslavl State Technical University