TY - JOUR AU - Toru Komatsu TI - A family of infinite pairs of quadratic fields ${\Bbb Q} (\sqrt{D})$ and ${\Bbb Q} (\sqrt{-D})$ whose class numbers are both divisible by 3 JO - Acta Arithmetica PY - 2000 SP - 213 EP - 221 VL - 96 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa96-3-2/ DO - 10.4064/aa96-3-2 LA - en ID - 10_4064_aa96_3_2 ER -