1. J.H. He, Nonlinear oscillation with fractional derivative and its applications, in: International Conference on Vibrating Engineering, Dalian, China, 1998, pp. 288–291.
2. Some applications of nonlinear fractional differential equations and their approximations;He;Bull. Sci. Technol.,1999
3. Approximate analytical solution for seepage flow with fractional derivatives in porous media;He;Comput. Methods Appl. Mech. Eng.,1998
4. Fractional Differential Equations;Podlubny,1999
5. Fractional calculus:‘Some basic problems in continuum and statistical mechanics’;Mainardi,1997