%0 Journal Article %A Bressan, Alberto %T An ill posed Cauchy problem for a hyperbolic system in two space dimensions %J Rendiconti del Seminario Matematico della Università di Padova %D 2003 %P 103-117 %V 110 %I Seminario Matematico of the University of Padua %G en %F RSMUP_2003__110__103_0