%0 Journal Article
%A V. P. Didenko
%T Boundary value problems for a three-dimensional equation of mixed type
%J Differencialʹnye uravneniâ
%D 1975
%P 33-37
%V 11
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1975_11_1_a4/
%G ru
%F DE_1975_11_1_a4