RT Journal Article SR Electronic T1 Radical revisions of the distant future JF The Journal of Portfolio Management FD Institutional Investor Journals SP 36 OP 38 DO 10.3905/jpm.1979.408713 VO 6 IS 1 A1 Henry C. Wallićh YR 1979 UL https://pm-research.com/content/6/1/36.abstract AB