PT - JOURNAL ARTICLE AU - Carl Schweser AU - Robert M. Soldofsky AU - Thomas Schneeweis TI - The Meaning of the Mean AID - 10.3905/jpm.1979.408702 DP - 1979 Jul 31 TA - The Journal of Portfolio Management PG - 23--27 VI - 5 IP - 4 4099 - https://pm-research.com/content/5/4/23.short 4100 - https://pm-research.com/content/5/4/23.full