@article{02107514, title = {Tight estimates for eigenvalues of regular graphs.}, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {11}, year = {2004}, zbl = {1053.05082}, language = {en}, url = {http://dml.mathdoc.fr/item/02107514} }
Nilli, A. Tight estimates for eigenvalues of regular graphs.. The Electronic Journal of Combinatorics [electronic only], Tome 11 (2004) . http://gdmltest.u-ga.fr/item/02107514/