%0 Journal Article
%A Ya. I. Zhitomirskii
%T Exact classes of uniqueness of solution of the Cauchy problem for equations of second order
%J Doklady Akademii Nauk
%D 1966
%P 29-32
%V 171
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_171_1_a5/
%G ru
%F DAN_1966_171_1_a5