TY - JOUR AU - R. Jackiw AU - A. P. Polychronakos TI - Dynamical Poincar\'e Symmetry Realized by Field-Dependent Diffeomorphisms JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1999 SP - 193 EP - 211 VL - 226 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1999_226_a15/ LA - en ID - TM_1999_226_a15 ER -