%0 Journal Article
%A Helmut Reckziegel
%T On the Eigenvalues of the Shape Operator of an Isometric Immersion into a Space of Constant Curvature.
%J Mathematische Annalen
%D 1979
%P 71-82
%V 243
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1979__243_182802/
%F MAN_1979__243_182802