@article{RSMUP_2003__110__103_0,
     author = {Bressan, Alberto},
     title = {An ill posed {Cauchy} problem for a hyperbolic system in two space dimensions},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {103--117},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {110},
     year = {2003},
     mrnumber = {2033003},
     zbl = {1114.35123},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_2003__110__103_0/}
}