1. Dodd , R. K. Eilbeck , J. C. Gibbon , J. D. Morris , H. C. Solitons and Nonlinear Wave Equations. London 1982
2. Solitons
3. Eckhaus , W. van Harken , A. The Inverse Scattering Transformation and the Theory of Solitons. Amsterdam 1981
4. Solitons and the Inverse Scattering Transform