@第{zbMATH00907872条,作者={Benjamin,Elliot},Title={秩为3}的初等2类群的虚二次数域的2-{Hilbert}类域的2类数的下界,FJournal={休斯顿数学杂志},期刊={Houston J.Math.},ISSN={0362-1588},体积={22},数字={1},页码={11--37},年份={1996},语言={英语},关键词={11R29,11R11,11R37},zbMATH={907872},Zbl={0863.11075}}