第一篇:
【作者(必填)】Balvir Singh, Y. P. Chaubey and T. D. Dwivedi

【文题(必填)】An Almost Unbiased Ridge Estimator

【年份(必填)】Sankhyā: The Indian Journal of Statistics, Series B (1960-2002)
Vol. 48, No. 3 (Dec., 1986), pp. 342-346

【全文链接或数据库名称(选填)】http://www.jstor.org/discover/10.2307/25052458?uid=1282904&uid=3737592&uid=2134&uid=2&uid=70&uid=3&uid=67&uid=5911848&uid=1282880&uid=62&sid=21103051729263

第二篇:
【作者(必填)】Fikri Akdeniza* & Hamza Erola

【文题(必填)】Mean Squared Error Matrix Comparisons of Some Biased Estimators in Linear Regression

【年份(必填)】Communications in Statistics - Theory and Methods
Volume 32, Issue 12, 2003

【全文链接或数据库名称(选填)】http://www.jstor.org/discover/10.2307/25052458?uid=1282904&uid=3737592&uid=2134&uid=2&uid=70&uid=3&uid=67&uid=5911848&uid=1282880&uid=62&sid=21103051729263
第三篇:
【作者(必填)】Masuo Nomuraa

【文题(必填)】On the almost unbiased ridge regression estimator

【年份(必填)】Communications in Statistics - Simulation and Computation
Volume 17, Issue 3, 1988

【全文链接或数据库名称(选填)】http://www.tandfonline.com/doi/abs/10.1080/03610918808812690#.UpNpC2SS1dg