@article{GDZPPN002442167,
title = {On the number of bound states of a bosonic N-particle Coulomb system.},
journal = {Mathematische Zeitschrift},
volume = {212},
year = {1993},
pages = {441-460},
zbl = {0852.47036},
url = {http://dml.mathdoc.fr/item/GDZPPN002442167}
}
Bach, V.; Lewis, R.; Lieb, E.H. On the number of bound states of a bosonic N-particle Coulomb system.. Mathematische Zeitschrift, Tome 212 (1993) pp. 441-460. http://gdmltest.u-ga.fr/item/GDZPPN002442167/