@第{zbMATH03741620条，作者={Borovik，A.V.}，标题={{Held}群}的3-局部特征，FJournal={代数和逻辑}，Journal={代数逻辑}，ISSN={0002-5232}，体积={19}，页码={255--266}，年份={1981}，语言={英语}，DOI={10.1007/BF01674469}，关键词={20D05.20D08}，zbMATH={3741620}，Zbl={0473.20012}}