%0 Journal Article %A Simon, Udo %T Curvature Bounds for the Spectrum of Closed Einstein Spaces %J Canadian journal of mathematics %D 1978 %P 1087-1091 %V 30 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-091-8/ %R 10.4153/CJM-1978-091-8 %F 10_4153_CJM_1978_091_8