@article{GDZPPN002333376,
title = {A geometric approach to the almost convexity and growth of some nilpotent groups.},
journal = {Mathematische Annalen},
volume = {283},
year = {1989},
pages = {601-624},
zbl = {0693.20037},
url = {http://dml.mathdoc.fr/item/GDZPPN002333376}
}
Shapiro, Michael. A geometric approach to the almost convexity and growth of some nilpotent groups.. Mathematische Annalen, Tome 283 (1989) pp. 601-624. http://gdmltest.u-ga.fr/item/GDZPPN002333376/