@Misc{ CiMaPiSe13, author = { Citti, Giovanna and Manfredini, Maria and Pinamonti, Andrea and Serra Cassano, Francesco }, title = { Poincaré-type inequality for Lipschitz continuous vector fields }, journal = { JMPA }, year = { 2013 }, pages = { }, URL = { http://cvgmt.sns.it/paper/2145/ }, note = { cvgmt preprint} }