RT Journal Article SR Electronic T1 A new approach to determining optimum portfolio mix JF The Journal of Portfolio Management FD Institutional Investor Journals SP 82 OP 83 DO 10.3905/jpm.1991.409340 VO 17 IS 4 A1 Shahriar Khaksari A1 Ravindra Kamath A1 Robin Grileves YR 1991 UL https://pm-research.com/content/17/4/82.abstract AB