Wagdy G. El-Sayed

Existence Theorems for Some Quadratic Integral Equations

Józef Banaś, Millenia Lecko, Wagdy G. El-Sayed · Journal of Mathematical Analysis and Applications · 1998 · 94 citations

Quadratic Integral Equations, Resolvent Kernel, Nonlinear Functional Analysis

Nondecreasing solutions of a quadratic integral equation of Urysohn type

Wagdy G. El-Sayed, Beata Rzepka · Computers & Mathematics with Applications · 2006 · 39 citations

Integrable System, Quadratic Integral Equation

Measures of noncompactness and solvability of an integral equation in the class of functions of locally bounded variation

Józef Banaś, Wagdy G. El-Sayed · Journal of Mathematical Analysis and Applications · 1992 · 29 citations

Measure Theory, Engineering, Variational Analysis +5

Solvability of Urysohn integral equation

Wagdy G. El-Sayed, Alaa A. El‐Bary, Mohamed Abdalla Darwish · Applied Mathematics and Computation · 2003 · 24 citations

Resolvent Kernel, Nonlinear Hyperbolic Problem, Urysohn Integral Equation +1

On the functional integral equations of mixed type and integro-differential equations of fractional orders

Wagdy G. El-Sayed, A‎. ‎M‎. ‎A‎. El-Sayed · Applied Mathematics and Computation · 2003 · 21 citations

Resolvent Kernel, Fractional-order System, Fractional Orders +6