BEJ215 10.3150/09-BEJ215 BEJ0809-006 13 Absolute continuity for some one-dimensional processes Jacques Printems Laboratoire d'Analyse et de Mathématiques Appliquées (LAMA) & CNRS UMR 8050 printems@univ-paris12.fr http://www.e-publications.org/ims/submission/index.php/BEJ/user/submissionFile/3871?confirm=eb3e21df