TY - JOUR AU - Dafermos, C. M. AU - Geng, X. TI - Generalized characteristics uniqueness and regularity of solutions in a hyperbolic system of conservation laws JO - Annales de l'I.H.P. Analyse non linéaire PY - 1991 SP - 231 EP - 269 VL - 8 IS - 3-4 PB - Gauthier-Villars UR - http://archive.numdam.org/item/AIHPC_1991__8_3-4_231_0/ LA - en ID - AIHPC_1991__8_3-4_231_0 ER -