中国科学院数学与系统科学研究院期刊网
On Ros' Theorem for Hypersurfaces
Jia Zu ZHOU, De Shuo JIANG, Ming LI, Fang Wei CHEN
Acta Mathematica Sinica, Chinese Series . 2009, (6): 1075 -1084 .  DOI: 10.12386/A2009sxxb0135