@article{GDZPPN002443759,
title = {Maximal functions related to subelliptic operators with polynomially growing coefficients.},
journal = {Mathematische Zeitschrift},
volume = {220},
year = {1995},
pages = {349-374},
zbl = {0824.43005},
url = {http://dml.mathdoc.fr/item/GDZPPN002443759}
}
Damek, Ewa. Maximal functions related to subelliptic operators with polynomially growing coefficients.. Mathematische Zeitschrift, Tome 220 (1995) pp. 349-374. http://gdmltest.u-ga.fr/item/GDZPPN002443759/