%0 Journal Article %A Thomas Cass %A Peter Friz %T Densities for rough differential equations under Hörmander’s condition %J Annals of mathematics %D 2010 %P 2115-2141 %V 171 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2010.171.2115/ %R 10.4007/annals.2010.171.2115 %G en %F 10_4007_annals_2010_171_2115