中国科学院数学与系统科学研究院期刊网
Derivations and Automorphisms of the Positive Part of the Two-parameter Quantum Group Ur,s(B3)
Min LI, Xiu Ling WANG
Acta Mathematica Sinica . 2017, (2): 235 -251 .  DOI: 10.1007/s10114-017-5787-1