%0 Journal Article %A R. S. Ismagilov %T Asymptotic properties of the spectrum of a~differential operator in a~space of vector-valued functions %J Matematičeskie zametki %D 1971 %P 667-676 %V 9 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1971_9_6_a6/ %G ru %F MZM_1971_9_6_a6