%0 Journal Article
%A F. G. Maksudov
%A A. M. Magerramov
%A M. Z. Mamedov
%T Spectral analysis of pencils of differential operators of special
%J Doklady Akademii Nauk
%D 1990
%P 24-28
%V 310
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_310_1_a4/
%G ru
%F DAN_1990_310_1_a4