1. Darboux Transformation and Solitons;Matveev,1991
2. Symmetries and differential equations;Bluman,1989
3. Direct Methods in Soliton Theory;Hirota,2004
4. Solitons; Nonlinear Evolution Equations and Inverse Scattering;Ablowitz,1991
5. Method for Solving the Korteweg-deVries Equation