%0 Journal Article
%A D. Bättig
%T A toroidal compactification of the Fermi surface for the discrete Schrödinger operator.
%J Commentarii mathematici Helvetici
%D 1992
%P 1-16
%V 67
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140254/
%F CMH_1992__67_3_140254