%0 Journal Article
%A N.O. Wallin
%T A Problem for Elliptic Partial Differential Operators Defined on an Arbitrary Open Set.
%J Mathematica Scandinavica
%D 1961
%P 185-196
%V 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1961__9_165774/
%F MS2_1961__9_165774