TY - JOUR AU - C. Foiaş AU - W. Malk TI - The extended spectrum of completely non-unitary contractions and the spectral mapping theorem JO - Studia Mathematica PY - 1965 SP - 239 EP - 245 VL - 26 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-26-3-239-245/ DO - 10.4064/sm-26-3-239-245 LA - en ID - 10_4064_sm_26_3_239_245 ER -