@article{1077293725,
author = {Friedman, Joel},
title = {Some geometric aspects of graphs and their eigenfunctions},
journal = {Duke Math. J.},
volume = {72},
number = {1},
year = {1993},
pages = { 487-525},
language = {en},
url = {http://dml.mathdoc.fr/item/1077293725}
}
Friedman, Joel. Some geometric aspects of graphs and their eigenfunctions. Duke Math. J., Tome 72 (1993) no. 1, pp. 487-525. http://gdmltest.u-ga.fr/item/1077293725/