中国科学院数学与系统科学研究院期刊网
AMS
The Minimax Estimator of Stochastic Regression Coefficients and Parameters in the Class of All Estimators
Li Wen XU, Song Gui WANG
Acta Mathematica Sinica . 2007, (3): 497 -506 .  DOI: 10.1007/s10114-005-0794-z