@article{GDZPPN00244495X,
title = {Marcinkiewicz multipliers and multi-parameter structure on Heisenberg (-type) groups, II.},
journal = {Mathematische Zeitschrift},
volume = {221},
year = {1996},
pages = {267-292},
zbl = {0863.43001},
url = {http://dml.mathdoc.fr/item/GDZPPN00244495X}
}
Stein, E.M.; Müller, Detlef; Ricci, F. Marcinkiewicz multipliers and multi-parameter structure on Heisenberg (-type) groups, II.. Mathematische Zeitschrift, Tome 221 (1996) pp. 267-292. http://gdmltest.u-ga.fr/item/GDZPPN00244495X/