@article{GDZPPN002112493,
title = {Marcinkiewicz multipliers and multi-parameter structure on Heisenberg (-type) groups, I.},
journal = {Inventiones mathematicae},
volume = {121},
year = {1995},
pages = {199-234},
zbl = {0857.43012},
url = {http://dml.mathdoc.fr/item/GDZPPN002112493}
}
Stein, E.M.; Müller, Detlef; Ricci, F. Marcinkiewicz multipliers and multi-parameter structure on Heisenberg (-type) groups, I.. Inventiones mathematicae, Tome 121 (1995) pp. 199-234. http://gdmltest.u-ga.fr/item/GDZPPN002112493/