← Search Journal of Finance Vol. 29 No. 2 1974 Portfolio Analysis Under Uncertain Means, Variances, and Covariances Christopher B. Barry DOI10.2307/2978821 Volume29 Issue2 Pages515 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 ✓