@article{bwmeta1.element.bwnjournal-article-doi-10_4064-aa104-2-3,
author = {Toru Komatsu},
title = {An infinite family of pairs of quadratic fields $\mathbb{Q}$($\surd$D) and $\mathbb{Q}$($\surd$mD) whose class numbers are both divisible by 3},
journal = {Acta Arithmetica},
volume = {102},
year = {2002},
pages = {129-136},
zbl = {1004.11062},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa104-2-3}
}
Toru Komatsu. An infinite family of pairs of quadratic fields ℚ(√D) and ℚ(√mD) whose class numbers are both divisible by 3. Acta Arithmetica, Tome 102 (2002) pp. 129-136. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa104-2-3/