RT Journal Article SR Electronic T1 Volatility Patterns JF The Journal of Derivatives FD Institutional Investor Journals SP 46 OP 61 DO 10.3905/jod.1997.407993 VO 5 IS 2 A1 Vincent Gesser A1 Patrice Poncet YR 1997 UL https://pm-research.com/content/5/2/46.abstract AB