%0 Journal Article
%A D. Murtazaev
%T The index of a linear boundary value problem for a system of composite type equations with two real characteristics
%J Differencialʹnye uravneniâ
%D 1970
%P 1871-1881
%V 6
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1970_6_10_a14/
%G ru
%F DE_1970_6_10_a14