%0 Journal Article
%A V. S. Vinogradov
%T A boundary value problem for a first order elliptic equation on the plane
%J Differencialʹnye uravneniâ
%D 1971
%P 1440-1448
%V 7
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1971_7_8_a10/
%G ru
%F DE_1971_7_8_a10