中国科学院数学与系统科学研究院期刊网
AMS
An Additive Function on a Ring of Integers in the Imaginary Quadratic Field Q(√d) with Class-Number One
Cai Tianxin
Acta Mathematica Sinica . 1995, (1): 68 -73 .  DOI: 10.1007/BF02274049