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Comment on: The (G'/G)-expansion method for the nonlinear lattice equations [Commun Nonlinear Sci Numer Simulat 17 (2012) 3490-3498]
We show that two of the nonlinear lattice equations studied by Ayhan & Bekir [Commun Nonlinear Sci Numer Simulat 17 (2012) 3490-3498] have already been investigated by Aslan [Commun Nonlinear Sci Numer Simulat 15 (2010) ...
On the application of the Exp-function method to nonlinear differential-difference equations
When applying the Exp-function method to nonlinear-differential difference equations, Bekir (2010)  reported incorrect results. © 2012 Elsevier Inc. All rights reserved.