%0 Journal Article %A I. M. Spitkovsky %T Szeg{\H o} limit theorems in the case of a matrix locally sectorial symbol %J Doklady Akademii Nauk %D 1985 %P 61-65 %V 284 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_284_1_a13/ %G ru %F DAN_1985_284_1_a13