RT Journal Article SR Electronic T1 Is Time Travel Impossible? A Financial Proof JF The Journal of Portfolio Management FD Institutional Investor Journals SP 10 OP 12 DO 10.3905/jpm.1986.10 VO 13 IS 1 A1 Marc R. Reinganum YR 1986 UL https://pm-research.com/content/13/1/10.abstract AB