@article{PMB_1992____A1_0,
     author = {Berger, Ruth I. and Gras, Georges},
     title = {Regular fields: normic criteria in $p$-extensions},
     journal = {Publications math\'ematiques de la Facult\'e des sciences de Besan\c{c}on. Th\'eorie des nombres},
     eid = {1},
     pages = {1--5},
     publisher = {Universit\'e de Besan\c{c}on},
     year = {1992},
     doi = {10.5802/pmb.a-67},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/pmb.a-67/}
}