@article{1178229402, author = {Tsukada, Kazumi}, title = {The first eigenvalue of the Laplacian on tori}, journal = {Tohoku Math. J. (2)}, volume = {33}, number = {4}, year = {1981}, pages = { 395-407}, language = {en}, url = {http://dml.mathdoc.fr/item/1178229402} }
Tsukada, Kazumi. The first eigenvalue of the Laplacian on tori. Tohoku Math. J. (2), Tome 33 (1981) no. 4, pp. 395-407. http://gdmltest.u-ga.fr/item/1178229402/