TY - JOUR AU - Alexei J. Nurmagambetov TI - Duality-Symmetric Approach to General Relativity and Supergravity JO - Symmetry, integrability and geometry: methods and applications PY - 2006 VL - 2 UR - http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a19/ LA - en ID - SIGMA_2006_2_a19 ER -