1. Method for solving the Korteweg-deVries equation;Gardner;Phys. Rev. Lett.,1967
2. Solitons and the Inverse Scattering Transform;Ablowitz,1981
3. Solitons in Mathematics and Physics;Newell,1985
4. Solitons, Nonlinear Evolution Equations and Inverse Scattering;Ablowitz,1991
5. The Direct Method in Soliton Theory;Hirota,2004