RT Journal Article SR Electronic T1 Early Exercise Regions for Exotic Options JF The Journal of Derivatives FD Institutional Investor Journals SP 42 OP 56 DO 10.3905/jod.1995.407930 VO 3 IS 1 A1 Ken Seng Tan A1 Kenneth R. Vetzal YR 1995 UL https://pm-research.com/content/3/1/42.abstract AB