%0 Journal Article
%A A. V. Bitsadze
%T A system of nonlinear partial differential equations
%J Differencialʹnye uravneniâ
%D 1979
%P 1267-1270
%V 15
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1979_15_7_a10/
%G ru
%F DE_1979_15_7_a10