@article{GDZPPN002340496,
title = {Compensated compactness and the Heisenberg group.},
journal = {Mathematische Annalen},
volume = {302},
year = {1995},
pages = {601-612},
zbl = {0900.43001},
url = {http://dml.mathdoc.fr/item/GDZPPN002340496}
}
Grafakos, Loukas; Rochberg, Richard. Compensated compactness and the Heisenberg group.. Mathematische Annalen, Tome 302 (1995) pp. 601-612. http://gdmltest.u-ga.fr/item/GDZPPN002340496/