[3] Chen Yong, Li Biao, Zhang Hongqing. Generalized Riccati equation expansion method and its application to the Bogoyavlenskiis generalized breaking soliton equation[J]. Chin. Phys., 2003, 12(9): 940-945.
[4] Gepreel K A, Omran S. Exact solutions for nonlinear partial fractional differential equations[J]. Chin. Phys. B, 2012, 21(11): 110204.
[5] Chen Huaitang, Zhang Hongqing. New multiple soliton-like solutions to (3+1)-dimensional Burgers equation with variable coefficients[J]. Communn. Theor. Phys., 2004, 42(4): 497-500.
[6] Md Nur Alam, Md Ali Akbar, Syed Tauseef Mohyud Din. A novel-expansion method and its application to the Boussinesq equation[J]. Chin. Phys. B, 2014, 23(2): 020203.
[10] Xie Fuding, Chen Jing, Lv Zhuosheng. Using symbolic computation to exactly solve the integrable Broer-Kaup equations in (2+1)-dimensional spaces[J]. Communn. Theor. Phys., 2005, 43(4): 585-590.