%0 Journal Article %A Qingping Zeng %A Qiaofen Jiang %A Huaijie Zhong %T Spectra originating from semi-B-Fredholm theory and commuting perturbations %J Studia Mathematica %D 2013 %P 1-18 %V 219 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm219-1-1/ %R 10.4064/sm219-1-1 %G en %F 10_4064_sm219_1_1