%0 Journal Article %A Salah Mecheri %T Isolated points of spectrum of $k$-quasi-$*$-class $A$ operators %J Studia Mathematica %D 2012 %P 87-96 %V 208 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm208-1-6/ %R 10.4064/sm208-1-6 %G en %F 10_4064_sm208_1_6