@第{zbMATH06182151条，作者={Friedman，Greg和McClure，James}，标题={{Witt}空间}的对称签名，FJournal={拓扑与分析杂志}，期刊={J.Topol.Anal.}，ISSN={1793-5253}，体积={5}，数字＝｛2｝，页码={121--159}，年份={2013}，语言={英语}，DOI={10.1142/S1793525313500106}，关键词={55N33,57R67,57N80,19J25,19G24}，zbMATH={6182151}，Zbl={1276.55010}}