[1] Tian Guichen, Liu Xiqiang. Exact solutions of the general variable coefficient KdV equation with external force term[J]. Chinese Journal of Quantum Electronics (量子电子学报), 2005, 22: 339-343 (in Chinese).

[2] Zhang Yingyuan, Liu Xiqiang, Wang Gangwei. The symmetry, reduction and exact solutions of (2+1)-dimensional nonlinear evolution equation[J]. Chinese Journal of Quantum Electronics (量子电子学报), 2012, 29(2): 411-41(in Chinese).

[3] Yu Jinqian, Liu Xiqiang, Wang Tingting. Exact solutions and conservation laws of (2+1)-dimensional Boiti-Leon-Pempinelli equation[J]. Appl. Math. Comput., 2010, 216: 2293-2300.

[4] Wang Hong, Tian Yinghui. Non-Lie symmetry groups and new exact solutions of a (2+1)-dimensional generalized Broer Kaup system[J]. Commun. Nonlinear Sci. Numer. Simul., 2011, 16: 3933-3940.

[5] Ma Hongcai, Deng Aiping, Wang Yan. Exact solution of a KdV equation with variable coefficients[J]. Appl. Math. Comput., 2011, 61: 2278-2280.

[6] Tian Yinghui, Chen Hanlin, Liu Xiqiang. A simple direct method to find equivalence transformations of a generalized nonlinear Schrdinger equation and a generalized KdV equation[J]. Appl. Math. Comput., 2010, 215: 3509-3514.

[7] Feng Dahe. Exact solutions of Kuramoto-Sivashinsky equation[J]. Education and Management Engineering, 2012, 6: 61-66.

[8] Shang Yadong. Explicit solutions of the generalized Kuramoto-Sivashinsky equation[J]. Journal of Ningxia University (宁夏大学学报), 2000, 1: 69-71 (in Chinese).

[9] Lou Senyue, Ma Hongcai. Non-Lie symmetry groups of (2+1)-dimensional nonlinear systems obtained from a simple direct method[J]. J. Phys. A: Math. Gen., 2005, 38: L129-L137.

[10] Gao Jie, Liu Xiqiang, Guo Meiyu. New solutions and conservation lows of the (3+1)-dimensional nonlinear evolution equations[J]. Chinese Journal of Quantum Electronics (量子电子学报), 2009, 26: 16-22 (in Chinese).