TY - JOUR AU - Aristophanes Dimakis AU - Nils Kanning AU - Folkert Müller-Hoissen TI - The Non-Autonomous Chiral Model and the Ernst Equation of General Relativity in the Bidifferential Calculus Framework JO - Symmetry, integrability and geometry: methods and applications PY - 2011 VL - 7 UR - http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a117/ LA - en ID - SIGMA_2011_7_a117 ER -