%0 Journal Article
%A Manfred Herrmann
%A Ulrich Orbanz
%T Two Notes on Flatness.
%J Manuscripta mathematica
%D 1982
%P 109-134
%V 40
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1982__40_154900/
%F MM2_1982__40_154900