%0 Journal Article %A Peter C. Ho %A Alfred S. Paulson %T Portfolio selection via factor analysis %D 1980 %R 10.3905/jpm.1980.408750 %J The Journal of Portfolio Management %P 27-30 %V 6 %N 3 %U https://jpm.pm-research.com/content/iijpormgmt/6/3/27.full.pdf