%0 Journal Article
%A Yu. I. Lyubich
%T Investigating the deficiency of the abstract Cauchy problem
%J Doklady Akademii Nauk
%D 1966
%P 783-786
%V 166
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_166_4_a4/
%G ru
%F DAN_1966_166_4_a4