%0 Journal Article
%A Chang-Yu Xia
%T A Sphere Theorem for Submanifolds in a Manifold with Pinched Positive Curvature.
%J Monatshefte für Mathematik
%D 1997
%P 365-368
%V 124
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MOMA_1997__124_4_178796/
%F MOMA_1997__124_4_178796