@Misc{ PraTre11, author = { Pratelli, Maurizio and Trevisan, Dario }, title = { Functions of Bounded Variation on the Classical Wiener Space and an Extended Ocone-Karatzas Formula }, journal = { }, year = { 2011 }, pages = { }, URL = { http://cvgmt.sns.it/paper/3493/ }, note = { cvgmt preprint} }