PT - JOURNAL ARTICLE AU - Edwin J. Elton AU - Martin J. Gruber AU - Manfred W. Padberg TI - Optimal Portfolios from Simple Ranking Devices AID - 10.3905/jpm.1978.408641 DP - 1978 Apr 30 TA - The Journal of Portfolio Management PG - 15--19 VI - 4 IP - 3 4099 - https://pm-research.com/content/4/3/15.short 4100 - https://pm-research.com/content/4/3/15.full