%0 Journal Article %A Shukichi Tanno %T On a lower bound of the second eigenvalue of the Laplacian on an Einstein space %J Colloquium Mathematicum %D 1978 %P 285-288 %V 39 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-39-2-285-288/ %R 10.4064/cm-39-2-285-288 %G en %F 10_4064_cm_39_2_285_288