Items where Author is "A. M. A, El-Sayed,"

A. M. A, El-Sayed, and E. M. A, Hamdallah, and H. R, Ebead, (2020) On the existence of positive solutions of a state-dependent neutral functional differential equation with two state-delay functions. Open Journal of Mathematical Analysis, 4 (2). pp. 132-141. ISSN 26168103