4Kozubowski, T. J. , Podgorski, K. Asymmetric Laplace Distribution [ J ]. Mathematical Scientist,2000,25 ( 1 : 37 -46.
5Kou, S. A Jump Diffusion Model for Option Pricing with Three Properties : Leptokurtic Feature, Volatility Smile, and Analytic Tractability [ R]. Working Paper, Columbia University ,2000.
6Huang, H. , Jiang,Z. , Yu, K. , Lu, Z. A. Skewed Laplace Distribution with Financial Application [ J ]. Financial System Engineering,2003,46(2) :37-46.
7Kupeic, P.H. Techniques for Verifying the Accuracy of Risk Measurement Models [J]. Journal of Derivatives, 1995,3 (2) :73-84.