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
Tom 104 / 2002
Acta Arithmetica 104 (2002), 129-136
MSC: Primary 11R29; Secondary 11R11.
DOI: 10.4064/aa104-2-3