@article{01727718,
title = {<title-group xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><article-title xml:lang="en"><math><msup><mi>L</mi><mi>p</mi></msup></math>-improving properties for measures on <math><msup><mi>$\mathbb{R}$</mi><mn>4</mn></msup></math> supported on homogeneous surfaces in some non elliptic cases.</article-title></title-group>},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {2},
year = {2001},
zbl = {0992.42005},
language = {en},
url = {http://dml.mathdoc.fr/item/01727718}
}
Ferreyra, E.; Godoy, T.; Urciuolo, M. -improving properties for measures on supported on homogeneous surfaces in some non elliptic cases.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 2 (2001) . http://gdmltest.u-ga.fr/item/01727718/