%0 Journal Article %A A. Bonfiglioli %A E. Lanconelli %T On left-invariant H\"ormander operators in $\mathbb R^N$ applications to Kolmogorov--Fokker--Planck equations %J Contemporary Mathematics. Fundamental Directions %D 2010 %P 24-35 %V 36 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2010_36_a2/ %G ru %F CMFD_2010_36_a2