TY - JOUR AU - B. Kent Harrison TI - The Differential Form Method for Finding Symmetries JO - Symmetry, integrability and geometry: methods and applications PY - 2005 VL - 1 UR - http://geodesic.mathdoc.fr/item/SIGMA_2005_1_a0/ LA - en ID - SIGMA_2005_1_a0 ER -