中国科学院数学与系统科学研究院期刊网
A New Inequality for Weakly(K1,K2)-Quasiregular Mappings
Hong Ya GAO, Shu Qing ZHOU, Yu Qin MENG
Acta Mathematica Sinica . 2007, (12): 2241 -2246 .  DOI: 10.1007/s10114-007-0972-2