5Gordy, Michael B. Saddlepoint Approximation of CreditRisk + [ J ]. Joumal of Banking and Finance,2002, (26) : 1335 - 1353.
6Patricia J, William P. Regulatory Implication of Credit Risk Modeling [ J ]. Journal of Banking and Finance, 2000, (24) : 1 -24.
7Michael Crouhy, Dan Galai, Robert Mark. A Comparative Analysis of Current Credit Risk Models[ J ]. Journal of Banking and Finance, 2000, (24) :59 -117.