中国科学院数学与系统科学研究院期刊网
AMS
Weak Tensor Category and Related Generalized Hopf Algebras
Fang LI, Gong Xiang LIU
Acta Mathematica Sinica . 2006, (4): 1027 -1046 .  DOI: 10.1007/s10114-005-0659-5