%0 Journal Article
%A F. S. Rofe-Beketov
%A A. M. Khol'kin
%T The connection between spectral and oscillatory properties of differential systems of arbitrary order
%J Doklady Akademii Nauk
%D 1981
%P 551-555
%V 261
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1981_261_3_a8/
%G ru
%F DAN_1981_261_3_a8