@article{PMB_1975____A4_0,
     author = {Oriat, Bernard},
     title = {Quelques caract\`eres utiles en arithm\'etique},
     journal = {Publications math\'ematiques de la Facult\'e des sciences de Besan\c{c}on. Th\'eorie des nombres},
     eid = {4},
     pages = {1--27},
     publisher = {Universit\'e de Besan\c{c}on},
     year = {1975},
     doi = {10.5802/pmb.a-4},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.5802/pmb.a-4/}
}