1. Backlund Transformation;Miura,1978
2. Direct methods in soliton theory;Hirota,1980
3. Darboux Transformation in Solitons Theory and Geometry Applications;Gu,1999
4. Application of Lie Group to Differential Equation;Olver,1986
5. Solitons and the Inverse Scattering Transform;Ablowitz,1981