@Article{ MagTre16, author = { Magnani, Valentino and Trevisan, Dario }, title = { On Lipschitz vector fields and the Cauchy problem in homogeneous groups }, journal = { Commun. Contemp. Math. }, year = { 2018 }, volume = { 20 }, number = { 5 }, pages = { 21 }, URL = { http://cvgmt.sns.it/paper/3092/ }, note = { cvgmt preprint} }