Some remarks on perturbation classes of semi-Fredholm and Fredholm operators. Dehici, Abdelkader; Saoudi, Khaled — 2007 International Journal of Mathematics and Mathematical Sciences
Remarks on embeddable semigroups in groups and a generalization of some Cuthbert's results. Latrach, Khalid; Dehici, Abdelkader — 2003 International Journal of Mathematics and Mathematical Sciences
Some new properties in Fredholm theory, Schechter essential spectrum, and application to transport theory. Abdelmoumen, Boulbeba; Dehici, Abdelkader; Jeribi, Aref; Mnif, Maher — 2008 Journal of Inequalities and Applications [electronic only]