TY - JOUR AU - G. Mar� Beffa AU - J. A. Sanders TI - Transvection and Differential Invariants of Parametrized Curves JO - Journal of Lie theory PY - 2008 SP - 93 EP - 123 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JLT_2008_18_1_JLT_2008_18_1_a6/ ID - JLT_2008_18_1_JLT_2008_18_1_a6 ER -