@article{bwmeta1.element.bwnjournal-article-doi-10_4064-aa139-2-2,
author = {Zden\v ek Polick\'y},
title = {On the group of circular units of any compositum of quadratic fields},
journal = {Acta Arithmetica},
volume = {139},
year = {2009},
pages = {111-115},
zbl = {1227.11113},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa139-2-2}
}
Zdeněk Polický. On the group of circular units of any compositum of quadratic fields. Acta Arithmetica, Tome 139 (2009) pp. 111-115. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa139-2-2/