TY - JOUR AU - A. L. Gromov TI - Spectral classification of some types of unitary weighted shift operators JO - Algebra i analiz PY - 1991 SP - 62 EP - 87 VL - 3 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1991_3_5_a2/ LA - ru ID - AA_1991_3_5_a2 ER -