@article{GDZPPN002108593, title = {On groups of plolynomial subgroup growth.}, journal = {Inventiones mathematicae}, volume = {104}, year = {1991}, pages = {521-534}, zbl = {0743.20040}, url = {http://dml.mathdoc.fr/item/GDZPPN002108593} }
Lubotzky, Alexander; Mann, Avinoam. On groups of plolynomial subgroup growth.. Inventiones mathematicae, Tome 104 (1991) pp. 521-534. http://gdmltest.u-ga.fr/item/GDZPPN002108593/