TY - JOUR AU - I. M. Spitkovsky TI - Szeg{\H o} limit theorems in the case of a matrix locally sectorial symbol JO - Doklady Akademii Nauk PY - 1985 SP - 61 EP - 65 VL - 284 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_284_1_a13/ LA - ru ID - DAN_1985_284_1_a13 ER -