@article{AIHPC_1999__16_5_563_0,
     author = {Delort, J.-M.},
     title = {Minoration du temps d{\textquoteright}existence pour l{\textquoteright}\'equation de {Klein-Gordon} non-lin\'eaire en dimension $1$ d{\textquoteright}espace},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {563--591},
     publisher = {Gauthier-Villars},
     volume = {16},
     number = {5},
     year = {1999},
     mrnumber = {1712572},
     zbl = {0937.35160},
     language = {fr},
     url = {http://archive.numdam.org/item/AIHPC_1999__16_5_563_0/}
}