@article{GDZPPN002204088,
title = {Infinite class field towers of quadratic fields.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {372},
year = {1986},
pages = {209-220},
zbl = {0589.12011},
url = {http://dml.mathdoc.fr/item/GDZPPN002204088}
}
Schoof, René. Infinite class field towers of quadratic fields.. Journal für die reine und angewandte Mathematik, Tome 372 (1986) pp. 209-220. http://gdmltest.u-ga.fr/item/GDZPPN002204088/