@article{PMB_1978___1_A1_0,
     author = {Cougnard, Jean},
     title = {Groupes de torsion associ\'es \`a des extensions quaternioniennes de degr\'e 8 du corps des nombres rationnels},
     journal = {Publications math\'ematiques de la Facult\'e des sciences de Besan\c{c}on. Th\'eorie des nombres},
     eid = {1},
     pages = {1--7},
     publisher = {Universit\'e de Besan\c{c}on},
     number = {1},
     year = {1978},
     doi = {10.5802/pmb.a-15},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.5802/pmb.a-15/}
}