@Article{ cridel06, author = { Crippa, Gianluca and De Lellis, Camillo }, title = { Estimates and regularity results for the DiPerna--Lions flow }, journal = { J. Reine Angew. Math. }, year = { 2008 }, number = { 616 }, pages = { 15-46 }, URL = { http://cvgmt.sns.it/paper/871/ }, note = { cvgmt preprint} }