RT Journal Article SR Electronic T1 The Implications of Style Analysis for Mutual Fund Performance Evaluation JF The Journal of Portfolio Management FD Institutional Investor Journals SP 34 OP 42 DO 10.3905/jpm.1998.409652 VO 24 IS 4 A1 John C. Bogle YR 1998 UL https://pm-research.com/content/24/4/34.abstract AB