Supergravity in (2 + 1) dimensionsfrom (3 + 1)-dimensional supergravity P. Salgado, E. Rodriguez and F. Izaurieta Eur. Phys. J. C, 35 3 (2004) 429-435 Published online: 03 June 2004 DOI: 10.1140/epjc/s2004-01862-9