@article{PPN235181684_0305+dmdlog45,
title = {About Riesz transforms on the Heisenberg groups.},
journal = {Mathematische Annalen},
volume = {305},
year = {1996},
pages = {369-380},
zbl = {0859.22006},
url = {http://dml.mathdoc.fr/item/PPN235181684_0305+dmdlog45}
}
Müller, D.; Coulhon, T.; Zienkiewicz, J. About Riesz transforms on the Heisenberg groups.. Mathematische Annalen, Tome 305 (1996) pp. 369-380. http://gdmltest.u-ga.fr/item/PPN235181684_0305+dmdlog45/