Endlichdimensionale graduierte Algebren und ihre Darstellungen G. Czichowski; A.S. Hegazi — 1986 Beiträge zur Algebra und Geometrie = Contributions to algebra and geometry
On circle map coupled map lattice. Ahmed, E.; Hegazi, A.S. — 2003 International Journal of Mathematics and Mathematical Sciences
Oscillation of solutions to delay differential equations with positiv and negative coefficients. Elabbasy, El M.; Hegazi, A.S.; Saker, S.H. — 2000 Electronic Journal of Differential Equations (EJDE) [electronic only]