%0 Journal Article
%A Thomas Hasanis
%T Characterizations of the sphere by the curvature of the second fundamental form
%J Colloquium Mathematicum
%D 1982
%P 41-44
%V 46
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-46-1-41-44/
%R 10.4064/cm-46-1-41-44
%G en
%F 10_4064_cm_46_1_41_44