hal-01103699 title_s BSDE representations for optimal switching problems with controlled volatility auteur Romuald Elie, Idris Kharroubi journal Stochastics and Dynamics volume 14 pages 1450003 doi 10.1142/S0219493714500038 fichier_hal https://hal.archives-ouvertes.fr/hal-01103699/document annee 2014 Identifiant HAL 394990 582831