TY - JOUR AU - Qingping Zeng AU - Qiaofen Jiang AU - Huaijie Zhong TI - Spectra originating from semi-B-Fredholm theory and commuting perturbations JO - Studia Mathematica PY - 2013 SP - 1 EP - 18 VL - 219 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm219-1-1/ DO - 10.4064/sm219-1-1 LA - en ID - 10_4064_sm219_1_1 ER -