@article{10_4064_aa112_4_3,
     author = {Mika\"el Lescop},
     title = {$2$-extensions of $\mathbb {Q}$
 with trivial $2$-primary {Hilbert} kernel},
     journal = {Acta Arithmetica},
     pages = {345--366},
     publisher = {mathdoc},
     volume = {112},
     number = {4},
     year = {2004},
     doi = {10.4064/aa112-4-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa112-4-3/}
}