%0 Journal Article %A Aristophanes Dimakis %A Nils Kanning %A Folkert Müller-Hoissen %T The Non-Autonomous Chiral Model and the Ernst Equation of General Relativity in the Bidifferential Calculus Framework %J Symmetry, integrability and geometry: methods and applications %D 2011 %V 7 %U http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a117/ %G en %F SIGMA_2011_7_a117