1. Wazwaz, A.-M.: The tanh method for traveling wave solutions of nonlinear equations. Appl. Math. Comput. 154(3), 713–723 (2004)
2. Xu, G.: An elliptic equation method and its applications in nonlinear evolution equations. Chaos, Solitons Fractals 29(4), 942–947 (2006)
3. Seadawy, A.R.: Travelling-wave solutions of a weakly nonlinear two-dimensional higherorder Kadomtsev-Petviashvili dynamical equation for dispersive shallow-water waves. Eur. Phys. J. Plus 29, 132 (2017)
4. Seadawy, A.R., Lu, D.: Bright and dark solitary wave soliton solutions for the generalized higher 4 order nonlinear Schrödinger equation and its stability. Results Phys. 6(590), 3 (2016)
5. Kim, H., Sakthivel, R.: New exact traveling wave solutions of some nonlinear higher dimensional physical models. Rep. Math. Phys. 70(1), 39–50 (2012)