@article{10_4064_aa106_2_5,
     author = {Frank Gerth III},
     title = {Quadratic fields with infinite {Hilbert} 2-class field towers},
     journal = {Acta Arithmetica},
     pages = {151--158},
     publisher = {mathdoc},
     volume = {106},
     number = {2},
     year = {2003},
     doi = {10.4064/aa106-2-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa106-2-5/}
}