%0 Journal Article
%A Herbert Abels
%A Annette Lauer
%T A Characterization of the Sphere and Euclidean Space by Transformation Groups.
%J Mathematische Zeitschrift
%D 1976
%P 137-142
%V 146
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1976__146_172302/
%F MZ_1976__146_172302