中国科学院数学与系统科学研究院期刊网
Hypersurfaces with Harmonic Conformal Gauss Map in S4
Tong Zhu LI, Chang Xiong NIE
Acta Mathematica Sinica, Chinese Series . 2014, (6): 1231 -1240 .  DOI: 10.12386/A2014sxxb0114