%0 Journal Article
%A Yu. A. Mamedov
%T Spectral problems for a system of ordinary differential equations
%J Doklady Akademii Nauk
%D 1989
%P 540-544
%V 306
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_306_3_a5/
%G ru
%F DAN_1989_306_3_a5