%0 Journal Article
%A Harold Donnelly
%A Peter Li
%T Lower Bounds for the Eigenvalues of Negatively Curved Manifolds.
%J Mathematische Zeitschrift
%D 1980
%P 29-40
%V 172
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1980__172_172941/
%F MZ_1980__172_172941