%0 Journal Article %T Travelling wave solutions of some important nonlinear systems using the first integral method %A M. F. El-Sabbagh %A S. I. El-Ganaini %J Advanced Studies in Theoretical Physics %D 2012 %I %U http://www.m-hikari.com/astp/astp2012/astp17-20-2012/elganainiASTP17-20-2012-1.pdf