@article{BSMF_1997__125_2_269_0,
     author = {Delort, Jean-Marc},
     title = {Sur le temps d'existence pour l'\'equation de {Klein-Gordon} semi-lin\'eaire en dimension 1},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {269--311},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {125},
     number = {2},
     year = {1997},
     doi = {10.24033/bsmf.2307},
     mrnumber = {98i:35124},
     zbl = {0892.35102},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/bsmf.2307/}
}