%0 Journal Article
%A V. V. Martynov
%T The conditions of discreteness and continuity of the spectrum in case of a self-conjugate system of even order differential equations
%J Differencialʹnye uravneniâ
%D 1965
%P 1578-1591
%V 1
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1965_1_12_a3/
%G ru
%F DE_1965_1_12_a3