| Fractional calculus and some intermediate physical processes AMA El-Sayed, FM Gaafar Applied Mathematics and Computation 144 (1), 117-126, 2003 | 60 | 2003 |
| On the maximal and minimal solutions of arbitrary-orders nonlinear functional integral and differential equations AMA El-Sayed, FM Gaafar, HH Hashem Math. Sci. Res. J 8 (11), 336-348, 2004 | 57 | 2004 |
| Fractional-order differential equations with memory and fractional-order relaxation-oscillation model AMA El-Sayed, FM Gaafar Pure Mathematics and Applications 12 (3), 296-310, 2001 | 56* | 2001 |
| A Class of Nonlinear Boundary Value Problems for an Arbitrary Fractional-Order Differential Equation with the Riemann-Stieltjes Functional Integral and Infinite-Point Boundary … H Srivastava, A El-Sayed, F Gaafar Symmetry 10 (10), 508, 2018 | 36 | 2018 |
| Existence and uniqueness of solution for Sturm–Liouville fractional differential equation with multi-point boundary condition via Caputo derivative AMA El-Sayed, FM Gaafar Advances in Difference Equations 2019, 1-17, 2019 | 23 | 2019 |
| Continuous dependence of the solution of random fractional-order differential equation with nonlocal conditions AMA El-Sayed, F Gaafar, M El-Gendy Fractional Differential Calculus 7 (1), 135-149, 2017 | 23 | 2017 |
| Stability of a nonlinear non-autonomous fractional order systems with different delays and non-local conditions A El-Sayed, F Gaafar Advances in Difference Equations 2011, 1-8, 2011 | 21 | 2011 |
| Stability for a non-local non-autonomous system of fractional order differential equations with delays. A El-Sayed, FM Gaafar, E Hamadalla Electronic Journal of Differential Equations (EJDE)[electronic only] 2010 …, 2010 | 13 | 2010 |
| Continuous dependence of the solution of Ito stochastic differential equation with nonlocal conditions AMA El-Sayed, F Gaafar, M El-Gendy Appl. Math. Sci 10, 1971-1982, 2016 | 12 | 2016 |
| Positive solutions of singular Hadamard-type fractional differential equations with infinite-point boundary conditions or integral boundary conditions AMA El-Sayed, FM Gaafar Advances in Difference Equations 2019, 1-26, 2019 | 7 | 2019 |
| Continuous and integrable solutions of a nonlinear Cauchy problem of fractional order with nonlocal conditions FM Gaafar Journal of the Egyptian Mathematical Society 22 (3), 341-347, 2014 | 6 | 2014 |
| Sturm-Liouville equation of fractional order AMA El-Sayed, FM Gaafar Kyungpook mathematical journal 37 (1), 9-17, 1997 | 6 | 1997 |
| Exact solution of linear differential equations of fractional order AMA El-Sayed, FM Gaafar Kyungpook mathematical journal 37 (2), 181-181, 1997 | 6 | 1997 |
| The Existence of Solutions for a Nonlocal Problem of an Implicit Fractional-Order Differential Equation FM Gaafar Journal of the Egyptian Mathematical Society 26 (1), 184-195, 0 | 6* | |
| Positive solutions of a quadratic integro-differential equation FM Gaafar Journal of the Egyptian Mathematical Society 22 (2), 162-166, 2014 | 5 | 2014 |
| Fractional calculus and some intermediate physical processes Appl AMA El-Sayed, FM Gaafar Math. and Compute 144, 2003 | 5 | 2003 |
| Existence of Solutions for Singular Second‐Order Ordinary Differential Equations with Periodic and Deviated Nonlocal Multipoint Boundary Conditions AMA El-Sayed, FM Gaafar Journal of Function Spaces 2018 (1), 9726475, 2018 | 4 | 2018 |
| Cauchy-type problems of a functional differintegral equations with advanced arguments FM Gaafar J. Fract. Calc. Appl 5 (2), 71-77, 2014 | 4 | 2014 |
| A robust collocation method for time fractional PDEs based on mean value theorem and cubic B-splines AR Hadhoud, FM Gaafar, FE Abd Alaal, AA Abdelaziz, S Boulaaras, ... Partial Differential Equations in Applied Mathematics 11, 100819, 2024 | 2 | 2024 |
| On the maximal and minimal solutions of a nonlocal problem of a delay stochastic differential equation AMA El-Sayed, F Gaafar, M El-Gendy Malaya Journal of Matematik 4 (03), 497-504, 2016 | 2 | 2016 |
Ahmed M. A. El-SayedAlexandria university, Faculty of Science, Mathematics and computer science departmentכתובת אימייל מאומתת בדומיין alexu.edu.eg