Blackwell, David On optimal systems. (English) Zbl 0055.37002 Ann. Math. Stat. 25, 394-397 (1954). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 Documents Keywords:probability theory PDFBibTeX XMLCite \textit{D. Blackwell}, Ann. Math. Stat. 25, 394--397 (1954; Zbl 0055.37002) Full Text: DOI