Expressions of solutions for a class of differential equations. Elsayed, E.M. — 2010 Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică
On the max-type difference equation x n + 1 = max { A / x n , x n - 3 } . Iričanin, Bratislav D.; Elsayed, E.M. — 2010 Discrete Dynamics in Nature and Society
On the periodic nature of some max-type difference equations. Elabbasy, E.M.; El-Metwally, H.; Elsayed, E.M. — 2005 International Journal of Mathematics and Mathematical Sciences
On the difference equation x n + 1 = a x n - b x n / ( c x n - d x n - 1 ) . Elabbasy, E.M.; El-Metwally, H.; Elsayed, E.M. — 2006 Advances in Difference Equations [electronic only]