4Nathalie Janson. The Development of Electronic Money : Toward the Emergence of Free-Banking? [J] . 2003, www. raises. org/asc/2003/ascgjanson. pdf
5Setsuya Sato and John Hawkins. Electronic finance: an overview of the issues [J]. 2001, BIS Paper No 7, www. bis. org/publ/bispap07a. pdf
6Solomon. E. H. Virtual Money [M] . Oxford University Press. 1997
7Y. V. Reddy. Report of the Working Group on Electronic Money [R]. 2002, Reserve Bank of India, Mumbai. www. ecb. int/pub/pdf/other/emoneyen. pdf
8Susan M. Sulliva. Electronic Money and Its Impact on Central Banking and Monetary Policy [J]2002, www. hamilton. edu/academics/Econ/workpap/04 _ 01. pdf
9Aleksander Berentsen. Monetary Policy Implications of Digital Money [J]. 1998, International Review of Social [J] . http: //ideas. repec. org/a/bla/kyklos/v51y1998i1p89-117.html
10Berentsen, A. Monetary policy implications of digital money[J] . 1998, Kyklos, Vol 51, No 1,pp 89-117.