%0 Journal Article
%A K. Shiohama
%A Y. Otsu
%A T. Yamaguchi
%T A new version of differentiable sphere theorem.
%J Inventiones mathematicae
%D 1989
%P 219-228
%V 98
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1989__98_1_143726/
%F IM_1989__98_1_143726