← Search Econometrica Vol. 21 No. 1 1953 Communication on the Borel Notes J. von Neumann; M. Frechet DOI10.2307/1906950 Volume21 Issue1 Pages124 Sources semanticscholar openalex crossref Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓