In this paper, a two parameter group transformation is applied to the Lax pair of a (2+1) Boiti–Leon–Manna–Pempinelli (BMLP). Three similarity variables are derived. For each case, the Lax pair is reduced to a system of ordinary differential equations. The homogenous balance of this system results in solitary wave solutions.
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Mabrouk et al. (2013) studied this question.
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