1
【作者(必填)】B.C. Arnold, P.L. Brockett
【文题(必填)】Variance bounds using a theorem of Polya
【年份(必填)】Statist. Probab. Lett., 6 (1988), pp. 321–326
【全文链接或数据库名称(选填)】http://www.sciencedirect.com/science/article/pii/0167715288900077
2
【作者(必填)】T Cacoullos, V Papathanasiou
【文题(必填)】On upper bounds for the variance of functions of random variables
【年份(必填)】Statistics & Probability Letters  Volume 3, Issue 4, July 1985, Pages 175–184
【全文链接或数据库名称(选填)】http://www.sciencedirect.com/science/article/pii/0167715285900148