A novel operational matrix for the numerical solution of nonlinear Lane-Emden system of fractional order. - A. M. Nagy; A. A. El-Sayed (Comput. Appl. Math., 2021)

Vieta-Fibonacci operational matrices for spectral solutions of variable-order fractional integro-differential equations. - Praveen Agarwal; A. A. El-Sayed; Jessada Tariboon (J. Comput. Appl. Math., 2021)

Spectral treatment for the fractional-order wave equation using shifted Chebyshev orthogonal polynomials. - A. A. El-Sayed; Praveen Agarwal (J. Comput. Appl. Math., 2023)