摘要
Ankeny-Artin-Chowla obtained in [1] several congruences for class number h of quadratic number field k, some of which were obtained also by Kiselev. In particular, if the discriminant of k is a prime p≡1（mod 4） and ε0=(t+p1/u)/2 is the fundamental unit of k,
基金
Project supported by the National Natural Science Foundation of China
