%0 Journal Article
%A Schaeffer, David G.
%T An index theorem for systems of difference operators on a half space
%J Publications Mathématiques de l'IHÉS
%D 1973
%P 121-127
%V 42
%I Institut des Hautes Études Scientifiques
%U http://www.numdam.org/item/PMIHES_1973__42__121_0/
%G en
%F PMIHES_1973__42__121_0