1. Quasi-Fredholm operators and localized SVEP;Aiena;Acta Sci. Math. (Szeged),2007
2. On generalized a-Browder's theorem;Aiena;Studia Math.,2007
3. On left and right poles of the resolvent;Aiena;Acta Sci. Math. (Szeged),2008
4. On Drazin invertibility;Aiena;Proc. Amer. Math. Soc.,2008
5. Ascent spectrum and essential ascent spectrum;Bel Hadj Fredj;Studia Math.,2008