Blackwell, D. A Borel set not containing a graph. (English) Zbl 0177.48401 Ann. Math. Stat. 39, 1345-1347 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 8 Documents Keywords:operations research PDFBibTeX XMLCite \textit{D. Blackwell}, Ann. Math. Stat. 39, 1345--1347 (1968; Zbl 0177.48401) Full Text: DOI