@article{1077308169,
author = {Roe, John},
title = {On the quasi-isometry invariance of
$L^2$ Betti numbers},
journal = {Duke Math. J.},
volume = {58},
number = {1},
year = {1989},
pages = { 765-783},
language = {en},
url = {http://dml.mathdoc.fr/item/1077308169}
}
Roe, John. On the quasi-isometry invariance of $L^2$ Betti numbers. Duke Math. J., Tome 58 (1989) no. 1, pp. 765-783. http://gdmltest.u-ga.fr/item/1077308169/