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Improved tanh-function method and the new exact solutions for the general variable-coefficient KdV equation and MKdV equation. (Chinese. English summary) Zbl 1202.81044


MSC:

81Q05 Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics
35Q53 KdV equations (Korteweg-de Vries equations)
35Q51 Soliton equations
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