Abstract
A general approach is given to obtain the system of ordinary differential equations which determines the pure soliton solutions for the class of generalized Korteweg-de Vries equations (cf. [6]). This approach also leads to a system of ordinary differential equations for the pure soliton solutions of the sine-Gordon equation.
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Fuchssteiner, B. Pure soliton solutions of some nonlinear partial differential equations. Commun.Math. Phys. 55, 187–194 (1977). https://doi.org/10.1007/BF01614547
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DOI: https://doi.org/10.1007/BF01614547