@article{BSMF_2002__130_2_211_0,
     author = {F\'erard, \'Eric},
     title = {Poids des duaux des codes {BCH} de distance prescrite $2^a+1$ et sommes exponentielles},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {211--231},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {130},
     number = {2},
     year = {2002},
     doi = {10.24033/bsmf.2418},
     mrnumber = {1924541},
     zbl = {1028.11074},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.2418/}
}