4Grandell, J., Aspects of Risk Theory[M], New york: Springer- Verlag, 1991.
5Gerber, H. U., An extension of the renewal equation and its application in the collective theory of fisk[J], Seandinavian Actuarial Journal, 1970,3:205 - 210.
6Dufresne, F., Gerber, H. U. , Risk theory for the compound Poisson process that is perturbed by diffusion [J], Insurance Math. Econom. , 1991,10:51 - 59.
7Wang Guo jing, Wu Rong, Some distributions for classical risk process that is perttnbed by diffusion [ J ], Insurance Math. Econom., 2000,26,15 - 24.
8Wang Guo jing, Wu Rong, Distributons for the risk process with a stochastic return on investments [J], Stochastic Proc. Appl., 2001,95:329 - 341.
