%0 Journal Article %A Ya. T. Sultanaev %T The asymptotic behavior of the spectrum of a differential operator in a space of vector-valued functions %J Differencialʹnye uravneniâ %D 1974 %P 1673-1683 %V 10 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_9_a12/ %G ru %F DE_1974_10_9_a12