@article{TM_1999_226_a15,
     author = {R. Jackiw and A. P. Polychronakos},
     title = {Dynamical {Poincar\'e} {Symmetry} {Realized} by {Field-Dependent} {Diffeomorphisms}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {193--211},
     year = {1999},
     volume = {226},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_1999_226_a15/}
}