@article{GDZPPN000461407,
title = {Von Neumann Spectra Near Zero.},
journal = {Geometric and functional analysis},
volume = {1},
year = {1991},
pages = {375-404},
zbl = {0751.58039},
url = {http://dml.mathdoc.fr/item/GDZPPN000461407}
}
Gromov, M.; Shubin, M.A. Von Neumann Spectra Near Zero.. Geometric and functional analysis, Tome 1 (1991) pp. 375-404. http://gdmltest.u-ga.fr/item/GDZPPN000461407/