@article{STNB_1968-1969____A12_0,
     author = {Damey, Pierre},
     title = {Extensions cycliques de degr\'e $4$, non ramifi\'ees d{\textquoteright}un corps quadratiques sur $\mathbb {Q}$},
     journal = {S\'eminaire de th\'eorie des nombres de Bordeaux},
     note = {talk:12},
     pages = {1--6},
     publisher = {Laboratoire de th\'eorie des nombres - Universit\'e de Bordeaux I},
     year = {1968-1969},
     zbl = {0287.12016},
     language = {fr},
     url = {http://archive.numdam.org/item/STNB_1968-1969____A12_0/}
}