@article{GDZPPN002199432,
title = {Density results for the 2-classgroups of imaginary quadratic fields.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {334},
year = {1982},
pages = {156-187},
zbl = {0491.12004},
url = {http://dml.mathdoc.fr/item/GDZPPN002199432}
}
Morton, Patrick. Density results for the 2-classgroups of imaginary quadratic fields.. Journal für die reine und angewandte Mathematik, Tome 334 (1982) pp. 156-187. http://gdmltest.u-ga.fr/item/GDZPPN002199432/