%0 Journal Article
%A Kangro, Urve
%A Nicolaides, Roy
%T Divergence boundary conditions for vector Helmholtz equations with divergence constraints
%J ESAIM: Modélisation mathématique et analyse numérique
%D 1999
%P 479-492
%V 33
%N 3
%I EDP-Sciences
%U http://archive.numdam.org/item/M2AN_1999__33_3_479_0/
%G en
%F M2AN_1999__33_3_479_0