← Search Econometrica Vol. 26 No. 3 1958 Numerical Analysis H. E. Goheen; Zdeněk Kopal DOI10.2307/1907637 Volume26 Issue3 Pages484 Sources crossref semanticscholar openalex 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 ✓