%0 Journal Article %A Alessandro Ottazzi %A Ben Warhurst %T Contact and 1-Quasiconformal Maps on Carnot Groups %J Journal of Lie Theory %D 2011 %P 787-811 %V 21 %N 4 %U http://geodesic.mathdoc.fr/item/JOLT_2011_21_4_a2/ %F JOLT_2011_21_4_a2