Exact soliton solutions for the fifth-order Sawada-Kotera equation. - Changfu Liu; Zhengde Dai (Appl. Math. Comput., 2008)

New exact periodic solitary wave solutions for Kadomtsev-Petviashvili equation. - Changfu Liu (Appl. Math. Comput., 2010)

Bifurcations and travelling wave solutions of a (2 + 1)-dimensional nonlinear Schrödinger equation. - Juan Wang; Longwei Chen; Changfu Liu (Appl. Math. Comput., 2014)