@article{AFST_2003_6_12_1_47_0,
     author = {Cabet, Aurore},
     title = {Local existence of a solution of a semi-linear wave equation in a neighborhood of initial characteristic hypersurfaces},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {47--102},
     publisher = {Universit\'e Paul Sabatier, Institut de math\'ematiques},
     address = {Toulouse},
     volume = {Ser. 6, 12},
     number = {1},
     year = {2003},
     mrnumber = {2124075},
     zbl = {1047.35101},
     language = {en},
     url = {http://archive.numdam.org/item/AFST_2003_6_12_1_47_0/}
}