%0 Journal Article
%A B. M. Levitan
%T On the continuation of solutions of partial differential equations
%J Doklady Akademii Nauk
%D 1962
%P 30-33
%V 146
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_146_1_a7/
%G ru
%F DAN_1962_146_1_a7