%0 Journal Article %A Evan Schulman %T Central value in review %B A Comment %D 1985 %R 10.3905/jpm.1985.409028 %J The Journal of Portfolio Management %P 50-51 %V 12 %N 1 %U https://jpm.pm-research.com/content/iijpormgmt/12/1/50.full.pdf