PT - JOURNAL ARTICLE AU - Phoebus J. Dhrymes TI - On the empirical relevance of APT AID - 10.3905/jpm.1985.409018 DP - 1985 Jul 31 TA - The Journal of Portfolio Management PG - 70--71 VI - 11 IP - 4 4099 - https://pm-research.com/content/11/4/70.short 4100 - https://pm-research.com/content/11/4/70.full