@article{05014324,
title = {The diameter and Laplacian eigenvalues of directed graphs.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {13},
year = {2006},
zbl = {1084.05031},
language = {en},
url = {http://dml.mathdoc.fr/item/05014324}
}
Chung, Fan. The diameter and Laplacian eigenvalues of directed graphs.. The Electronic Journal of Combinatorics [electronic only], Tome 13 (2006) . http://gdmltest.u-ga.fr/item/05014324/