%0 Journal Article
%A W.M. Goldmann
%A Morris W. Hirsch
%T A Generalization of Bieberbach's Theorem.
%J Inventiones mathematicae
%D 1981
%P 1-12
%V 65
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1981__65_142836/
%F IM_1981__65_142836