中国科学院数学与系统科学研究院期刊网
AMS
Graded Hochschild Cohomology of a Path Algebra with Oriented Cycles
Fang LI, De Zhan TAN
Acta Mathematica Sinica . 2014, (9): 1495 -1512 .  DOI: 10.1007/s10114-014-2661-2