%0 Journal Article %A É. Mordecki %T Perpetual Options for L\'evy Processes in the Bachelier Model %J Informatics and Automation %D 2002 %P 256-264 %V 237 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2002_237_a15/ %G en %F TRSPY_2002_237_a15