1. Solitons and the Inverse Scattering Transform;Ablowitz,1981
2. P.G. Drazin, R.S. Johnson, Solitons: An Introduction, Cambridge, New York, 1993
3. Direct Methods in Soliton Theory;Hirota,1980
4. Periodic solutions of the Korteweg–de Vries equation;Lax;Comm. Pure. Appl. Math.,1975
5. Solitary wave solutions of nonlinear wave equations;Malfliet;Amer. J. Phys.,1992