PT - JOURNAL ARTICLE AU - Roger H. Cass TI - A Global Approach to Portfolio Management AID - 10.3905/jpm.1975.408512 DP - 1975 Jan 31 TA - The Journal of Portfolio Management PG - 40--48 VI - 1 IP - 2 4099 - https://pm-research.com/content/1/2/40.short 4100 - https://pm-research.com/content/1/2/40.full