RT Journal Article SR Electronic T1 How I came to be the oldest man around JF The Journal of Portfolio Management FD Institutional Investor Journals SP 47 OP 48 DO 10.3905/jpm.1979.408708 VO 6 IS 1 A1 Peter L. Bernstein YR 1979 UL https://pm-research.com/content/6/1/47.abstract AB