%0 Journal Article
%A Christopher B. Croke
%T An Eigenvalue Pinching Theorem.
%J Inventiones mathematicae
%D 1982
%P 253-256
%V 68
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1982__68_142934/
%F IM_1982__68_142934