%0 Journal Article
%A S. Ya. Yakubov
%T The Cauchy problem for differential equations of the second order in a Banach space
%J Doklady Akademii Nauk
%D 1966
%P 759-762
%V 168
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_168_4_a10/
%G ru
%F DAN_1966_168_4_a10