TY - JOUR AU - Vladimir Rakočević TI - Semi-Browder operators and perturbations JO - Studia Mathematica PY - 1997 SP - 131 EP - 137 VL - 122 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-122-2-131-137/ DO - 10.4064/sm-122-2-131-137 LA - en ID - 10_4064_sm_122_2_131_137 ER -