%0 Journal Article %A Toru Komatsu %T An infinite family of pairs of quadratic fields ${\Bbb Q}(\sqrt D)$ and ${\Bbb Q}(\sqrt { mD})$ whose class numbers are both divisible by 3 %J Acta Arithmetica %D 2002 %P 129-136 %V 104 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa104-2-3/ %R 10.4064/aa104-2-3 %G en %F 10_4064_aa104_2_3