1. Handbook of Mathematical Functions, With Formulas, Graphs and Mathematical Tables;Abramowitz,1966
2. Solitons, Nonlinear Evolution Equations and Inverse Scattering;Ablowitz,1991
3. Solitons and the Inverse Scattering Transform;Ablowitz,1981
4. Ordinary Differential Equations;Amann,1990
5. Solid State Physics;Ashcroft,1976