%0 Journal Article
%A A. B. Shabat
%T An analog of the Rado--Cartan theorem for solutions of elliptic equations
%J Doklady Akademii Nauk
%D 1966
%P 1304-1307
%V 166
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_166_6_a11/
%G ru
%F DAN_1966_166_6_a11