TY - BOOK T1 - Uncertain volatility models : theory and application T2 - Springer finance A1 - Buff, Robert LA - English PP - Berlin London New York PB - Springer-Verlag YR - 2002 UL - https://colectivo.uloyola.es/Record/L204804 OP - 243 CN - HG174 .B83 2002 SN - 3540426574 ER -