TY - JOUR AU - Reiner Berntzen TI - Accretive approximation in C*-algebras JO - Studia Mathematica PY - 1995 SP - 115 EP - 121 VL - 117 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-117-2-115-121/ DO - 10.4064/sm-117-2-115-121 LA - en ID - 10_4064_sm_117_2_115_121 ER -