RT Journal Article SR Electronic T1 Minimum–variance hedging with futures revisited JF The Journal of Portfolio Management FD Institutional Investor Journals SP 74 OP 80 DO 10.3905/jpm.1990.409269 VO 16 IS 3 A1 Mark G. Castelino YR 1990 UL https://pm-research.com/content/16/3/74.abstract AB