%0 Journal Article
%A B.-W. Schulze
%T Over- and under-determined elliptic boundary value problems
%J Differencialʹnye uravneniâ
%D 1979
%P 321-326
%V 15
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1979_15_2_a14/
%G ru
%F DE_1979_15_2_a14