TY - JOUR AU - Bressan, Alberto TI - An ill posed Cauchy problem for a hyperbolic system in two space dimensions JO - Rendiconti del Seminario Matematico della Università di Padova PY - 2003 SP - 103 EP - 117 VL - 110 PB - Seminario Matematico of the University of Padua UR - http://www.numdam.org/item/RSMUP_2003__110__103_0/ LA - en ID - RSMUP_2003__110__103_0 ER -