← Search Econometrica Vol. 29 No. 3 1961 Operations Research--Methods and Problems W. Krelle; Maurice Sasieni; Arthur Yaspan; Lawrence Friedman DOI10.2307/1909657 Volume29 Issue3 Pages494 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 ✓