%0 Journal Article
%A A. V. Bitsadze
%T On the theory of a class of nonlinear partial differential equations
%J Differencialʹnye uravneniâ
%D 1977
%P 1993-2008
%V 13
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1977_13_11_a10/
%G ru
%F DE_1977_13_11_a10