@article{BSMF_1996__124_4_559_0,
     author = {Moret-Bailly, Laurent},
     title = {Un probl\`eme de descente},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {559--585},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {124},
     number = {4},
     year = {1996},
     doi = {10.24033/bsmf.2293},
     mrnumber = {98g:14003},
     zbl = {0914.13002},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.2293/}
}