中国科学院数学与系统科学研究院期刊网
Cohomology of the Schrödinger Algebra S(1)
Yue Zhu WU, Xiao Qing YUE, Lin Sheng ZHU
Acta Mathematica Sinica . 2014, (12): 2054 -2062 .  DOI: 10.1007/s10114-014-3743-x