On the Well-posedness of Some generalized Characteristic Cauchy ProblemsJ.-A. Marti, V. Dévoué, A. Delcroix, E. Allaud and H. VernaeveMath. Model. Nat. Phenom., 11 2 (2016) 89-99DOI: https://doi.org/10.1051/mmnp/201611207