Blackwell, David Finite non-homogeneous chains. (English) Zbl 0063.00421 Ann. Math. (2) 46, 594-599 (1945). Not reviewed Cited in 2 ReviewsCited in 6 Documents PDFBibTeX XMLCite \textit{D. Blackwell}, Ann. Math. (2) 46, 594--599 (1945; Zbl 0063.00421) Full Text: DOI