%0 Journal Article
%A Shiu-Yuen Cheng
%T Eigenvalue Comparison Theorems and Its Geometric Applications.
%J Mathematische Zeitschrift
%D 1975
%P 289-297
%V 143
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1975__143_172234/
%F MZ_1975__143_172234