3Eichengreen,B.and Frankel,J.Implications of the Future Evolution of the International Monetary Sys-tem,in SDR and the International Monetary System,IMF,1996.
4Grauwe,P.The Fundamentals of Money:National and International,in International Moneyl Postwar Trends and Theories[M].Second Edition,Oxford University Press,1996.
5Kenen,P.The Role of the Dollar As an International Currency,Group of Thirty[D].Occasional Paper,1980,No.12.
6Krugrrmn,P.The International Role of the Dollar[J].Journal of Money,Credit and Banking,12.1980.
