%0 Journal Article %A Ian. M. Anderson %A Mark E. Fels %T The Cauchy Problem for Darboux Integrable Systems and Non-Linear d'Alembert Formulas %J Symmetry, integrability and geometry: methods and applications %D 2013 %V 9 %U http://geodesic.mathdoc.fr/item/SIGMA_2013_9_a16/ %G en %F SIGMA_2013_9_a16