Restrictive Chebyshev rational approximation and applications to heat-conduction problems. - Elsayed M. E. Elbarbary; Salah M. El-Sayed; Ismail K. Youssef; Ahmed M. M. Khodier (Appl. Math. Comput., 2003)

Picard iteration algorithm combined with Gauss-Seidel technique for initial value problems. - Ismail K. Youssef; H. A. El-Arabawy (Appl. Math. Comput., 2007)

A symbolic algorithm for solving linear two-point boundary value problems by modified Picard technique. - H. A. El-Arabawy; Ismail K. Youssef (Math. Comput. Model., 2009)

On the modified successive overrelaxation method. - Ismail K. Youssef; A. A. Taha (Appl. Math. Comput., 2013)

Fuzzy linear systems via boundary value problem. - Hewayda M. Lotfy; Azza A. Taha; Ismail K. Youssef (Soft Comput., 2019)

Spectral Galerkin schemes for a class of multi-order fractional pantograph equations. - Muhammad Mahmoud Alsuyuti; Eid H. Doha; Samer S. Ezz-Eldien; Ismail K. Youssef (J. Comput. Appl. Math., 2021)