@article{10_4064_cm_39_2_285_288, author = {Shukichi Tanno}, title = {On a lower bound of the second eigenvalue of the {Laplacian} on an {Einstein} space}, journal = {Colloquium Mathematicum}, pages = {285--288}, publisher = {mathdoc}, volume = {39}, number = {2}, year = {1978}, doi = {10.4064/cm-39-2-285-288}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-39-2-285-288/} }