hal-00693752 title_s Stochastic volatility models as hidden Markov models and statistical applications auteur V Genon-Catalot, T Jeantheau, C Laredo journal Bernoulli volume 6 numero 6 pages 1051--1079 doi 10.2307/3318471 annee 2000 Identifiant HAL 719698 719381 719699