中国科学院数学与系统科学研究院期刊网
Hochschild Cohomology Ring of a Cluster-Tilted Algebra
Yun Ge XU, Ti Wei ZHAO, Di WU
Acta Mathematica Sinica, Chinese Series . 2016, (4): 505 -518 .  DOI: 10.12386/A2016sxxb0047