Blackwell, D.; Girshick, M. A. A lower bound for the variance of some unbiased sequential estimates. (English) Zbl 0032.04401 Ann. Math. Stat. 18, 277-280 (1947). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 Documents Keywords:Statistics PDFBibTeX XMLCite \textit{D. Blackwell} and \textit{M. A. Girshick}, Ann. Math. Stat. 18, 277--280 (1947; Zbl 0032.04401) Full Text: DOI