hal-00693440 title_s A link between complete models with stochastic volatility and ARCH models auteur Thiery Jeantheau journal Finance and Stochastics volume 8 numero 1 pages 111--131 doi 10.1007/s00780-003-0103-6 fichier_autre https://api.istex.fr/ark:/67375/VQC-GSXNJ6XV-2/fulltext.pdf?sid=hal origine_autre istex annee 2004