TY - JOUR AU - Piotr Niemiec TI - Borel parts of the spectrum of an operator and of the operator algebra of a separable Hilbert space JO - Studia Mathematica PY - 2012 SP - 77 EP - 85 VL - 208 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4064/sm208-1-5/ DO - 10.4064/sm208-1-5 LA - en ID - 10_4064_sm208_1_5 ER -