中国科学院数学与系统科学研究院期刊网
AMS
Relations between Simplicial Groups, 3-Crossed Modules and 2-Quadratic Modules
Hasan ATİK, Erdal ULUALAN
Acta Mathematica Sinica . 2014, (6): 968 -984 .  DOI: 10.1007/s10114-014-3416-9