RT Journal Article SR Electronic T1 Valuing Options in Regime-Switching Models JF The Journal of Derivatives FD Institutional Investor Journals SP 38 OP 49 DO 10.3905/jod.1998.408011 VO 6 IS 1 A1 Nicolas P.B. Bollen YR 1998 UL https://pm-research.com/content/6/1/38.abstract AB