TY - JOUR AU - F. Schwarz TI - Canonical Form Transformation of Second Order Differential Equations with Lie Symmetries JO - Journal of Lie Theory PY - 2000 SP - 411 EP - 433 VL - 10 IS - 2 UR - http://geodesic.mathdoc.fr/item/JOLT_2000_10_2_a11/ ID - JOLT_2000_10_2_a11 ER -