%0 Journal Article
%A V. P. Glushko
%A S. G. Krein
%T Degenerate linear differential equations in a Banach space
%J Doklady Akademii Nauk
%D 1968
%P 784-787
%V 181
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1968_181_4_a3/
%G ru
%F DAN_1968_181_4_a3