TY - JOUR AU - C. Badea TI - Perturbations of operators similar to contractions and the commutator equation JO - Studia Mathematica PY - 2002 SP - 273 EP - 293 VL - 150 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm150-3-5/ DO - 10.4064/sm150-3-5 LA - en ID - 10_4064_sm150_3_5 ER -