hal-03013802 title_s Do Generalized Draw-down Times Lead to Better Dividends? A Pontryaghin Principle-Based Answer auteur Florin Avram, Dan Goreac journal IMA Journal of Mathematical Control and Information doi 10.1093/imamci/dnaa036 fichier_hal https://hal-upec-upem.archives-ouvertes.fr/hal-03013802/document annee 2020 Identifiant HAL 257399 12084250