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修正了文献[5]中推广的KdV方程传播波解的形变理论,并提出了一个相关的代数方程有非零实根的充要条件,从而指出了文献[5]中的一个分析错误。最后直接从推广的KdV方程本身给出了由形变理论生成的孤波解的显式公式。The deformation theory, in Ref [5],of travelling wave solutions to a generalized KdV equation is modified. The necessary and sufficient condition for a relevant algebraic equation to possess nonzero real root is presented and thus an error of analyses in Ref. [5] is pointe-dont. Finally an explicit formula of the solitary wave solutions generated by deformetion theory is obtained directly from the generalized KdV equation itselp.
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