@article{02151043,
title = {Jet spaces as nonrigid Carnot groups.},
journal = {Journal of Lie Theory},
volume = {15},
year = {2005},
pages = {341-356},
zbl = {1079.53062},
language = {en},
url = {http://dml.mathdoc.fr/item/02151043}
}
Warhurst, Ben. Jet spaces as nonrigid Carnot groups.. Journal of Lie Theory, Tome 15 (2005) pp. 341-356. http://gdmltest.u-ga.fr/item/02151043/