%0 Journal Article
%A Ph. Hartman
%T Remarks on a uniqueness theorem for closed surfaces.
%J Mathematische Annalen
%D 1957
%P 426-430
%V 133
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1957__133_160560/
%F MAN_1957__133_160560