@article{1153493093, author = {Katz, Neil N.}, title = {An upper bound for small eigenvalues of the Laplacian}, journal = {Osaka J. Math.}, volume = {40}, number = {1}, year = {2003}, pages = { 449-454}, language = {en}, url = {http://dml.mathdoc.fr/item/1153493093} }
Katz, Neil N. An upper bound for small eigenvalues of the Laplacian. Osaka J. Math., Tome 40 (2003) no. 1, pp. 449-454. http://gdmltest.u-ga.fr/item/1153493093/