Exact solitary wave solutions of the generalised Burgers-Huxley equation delta u/ delta t- alpha u delta delta u/ delta chi - delta 2 u/ delta chi 2 = beta u(1-u delta )(u delta - gamma ) are obtained by using the relevant nonlinear transformations. The results obtained are the generalisation of former work. The method in this paper can also be applied to the Burgers-Fisher equation.
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Wang et al. (1990) studied this question.
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