@article{JTNB_1994__6_2_205_0,
     author = {Greither, Cornelius},
     title = {Sur les normes universelles dans les $Z_p$-extensions},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {205--220},
     publisher = {Universit\'e Bordeaux I},
     volume = {6},
     number = {2},
     year = {1994},
     mrnumber = {1360643},
     zbl = {0833.11051},
     language = {fr},
     url = {http://www.numdam.org/item/JTNB_1994__6_2_205_0/}
}