Derivative operator on a hypergeometric function of three complex variables. Metwally, M.S. — 1999 Southwest Journal of Pure and Applied Mathematics [electronic only]
Effectiveness of similar sets of polynomials of two complex variables in polycylinders and in Faber regions. Sayyed, K.A.M.; Metwally, M.S. — 1998 International Journal of Mathematics and Mathematical Sciences
Gegenbauer matrix polynomials and second order matrix differential equations. Sayyed, K.A.M.; Metwally, M.S.; Batahan, R.S. — 2004 Divulgaciones Matemáticas
On pseudo Hermite matrix polynomials of two variables. Metwally, M.S.; Mohamed, M.T.; Shehata, A. — 2010 Banach Journal of Mathematical Analysis [electronic only]