中国科学院数学与系统科学研究院期刊网
The Discrete Subgroups and Jφrgensen’s Inequality for SL(m,Cp)
Wei Yuan QIU, Jing Hua YANG, Yong Cheng YIN
Acta Mathematica Sinica . 2013, (3): 417 -428 .  DOI: 10.1007/s10114-013-1606-5