TY - JOUR AU - András Biró AU - Kostadinka Lapkova TI - The class number one problem for the real quadratic fields $\mathbb {Q}(\sqrt {(an)^2+4a})$ JO - Acta Arithmetica PY - 2016 SP - 117 EP - 131 VL - 172 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa7957-12-2015/ DO - 10.4064/aa7957-12-2015 LA - en ID - 10_4064_aa7957_12_2015 ER -