@article {149550,
	title = {Criterion of Existence of Realistic Permanent Travelling Wave Solutions in Reaction Diffusion Systems},
	journal = {Communications in Numerical Analysis},
	volume = {1},
	year = {2017},
	pages = {50-79},
	author = {H.I. Abdel-Gawad and A. M. El-Shrae and K. M. Saad}
}
