Perturbed padé approximation. - Ahmed M. M. Khodier (Int. J. Comput. Math., 2000)

A finite difference scheme on nonuniform grids. - Ahmed M. M. Khodier (Int. J. Comput. Math., 2001)

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)

Perturbed Chebyshev rational approximation. - Ahmed M. M. Khodier (Int. J. Comput. Math., 2003)

Perturbed Padé approximation with high accuracy. - Ahmed M. M. Khodier (Appl. Math. Comput., 2004)