%0 Journal Article
%A Dirk Ferus
%T Immersions with Parallel Second Fundamental Form.
%J Mathematische Zeitschrift
%D 1974
%P 87-94
%V 140
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1974__140_172134/
%F MZ_1974__140_172134