@article{1077244245,
author = {Friedman, Joel},
title = {Minimum higher eigenvalues of Laplacians on graphs},
journal = {Duke Math. J.},
volume = {85},
number = {1},
year = {1996},
pages = { 1-18},
language = {en},
url = {http://dml.mathdoc.fr/item/1077244245}
}
Friedman, Joel. Minimum higher eigenvalues of Laplacians on graphs. Duke Math. J., Tome 85 (1996) no. 1, pp. 1-18. http://gdmltest.u-ga.fr/item/1077244245/