← Search Journal of Finance Vol. 29 No. 3 1974 Mathematical Methods in Investment and Finance. Frank Jen; G. P. Szego; Karl Shell DOI10.2307/2978621 Volume29 Issue3 Pages1036 Sources openalex crossref semanticscholar 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 ✓