中国科学院数学与系统科学研究院期刊网
AMS
8-ranks of Class Groups of Some Imaginary Quadratic Number Fields
Xi Mei WU, Qin YUE
Acta Mathematica Sinica . 2007, (11): 2061 -2068 .  DOI: 10.1007/s10114-007-0965-1