@article {14754,
	title = {Applied Mathematics and Computation},
	journal = {Applied Mathematics and Computation},
	volume = {181},
	year = {2006},
	pages = {6-20},
	author = {Abd El-Salam, F.A. and I. A. El-Tohamy and M. K. Ahmed and W. A. Rahoma and Rassem, M. A.}
}
