@第{zbMATH06138298条，作者={Barros，Manuel and Ferr{\'a}ndez，Angel}，Title={固定空卷轴系列有多大？}，FJournal={几何与物理杂志}，Journal＝{J.Geom.Phys.}，ISSN={0393-0440}，体积={64}，页码={54--60}，年份={2013}，语言={英语}，DOI＝{10.1016/j.geomphys.2012.10.009}，关键词={53B25,53B30,53C42}，zbMATH={6138298}，Zbl={1259.53016}}