@article{PMB_1994____A3_0,
     author = {Tignol, Jean-Pierre},
     title = {La norme des espaces quadratiques et la forme trace des alg\`ebres simples centrales},
     journal = {Publications math\'ematiques de la Facult\'e des sciences de Besan\c{c}on. Th\'eorie des nombres},
     eid = {3},
     pages = {1--18},
     publisher = {Universit\'e de Besan\c{c}on},
     year = {1994},
     doi = {10.5802/pmb.a-73},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.5802/pmb.a-73/}
}