@article{AFST_2002_6_11_3_351_0,
     author = {Dossa, Marcel},
     title = {Solutions $C^ \infty $ d{\textquoteright}une classe de probl\`emes de {Cauchy} quasi-lin\'eaires hyperboliques du second ordre sur un cono{\"\i}de caract\'eristique},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {351--376},
     publisher = {Universit\'e Paul Sabatier. Facult\'e des sciences},
     address = {Toulouse},
     volume = {6e s{\'e}rie, 11},
     number = {3},
     year = {2002},
     mrnumber = {074271},
     zbl = {02074271},
     language = {fr},
     url = {http://www.numdam.org/item/AFST_2002_6_11_3_351_0/}
}