%0 Journal Article %A G. Mari Beffa %T Relative and Absolute Differential Invariants for Conformal Curves %J Journal of Lie theory %D 2003 %P 213-245 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_2003_13_1_JLT_2003_13_1_a12/ %F JLT_2003_13_1_JLT_2003_13_1_a12