PT - JOURNAL ARTICLE AU - Kenneth R. Vetzal TI - An Improved Finite Difference Approach to Fitting the Initial Term Structure AID - 10.3905/jfi.1998.408222 DP - 1998 Mar 31 TA - The Journal of Fixed Income PG - 62--81 VI - 7 IP - 4 4099 - https://pm-research.com/content/7/4/62.short 4100 - https://pm-research.com/content/7/4/62.full