Millet, A.Nualart, DavidSanz, Marta2015-03-122015-03-121989-01-05Millet, A.; Nualart, D.; Sanz, M. Integration by Parts and Time Reversal for Diffusion Processes. Ann. Probab. 17 (1989), no. 1, 208--238. http://dx.doi.org/10.1214/aop/1176991505.https://hdl.handle.net/1808/17062This is the published version, also available here: http://dx.doi.org/10.1214/aop/1176991505.In this paper we obtain necessary and sufficient conditions for the reversibility of the diffusion property, assuming the existence of a density at every time t. The proofs are based on techniques of the stochastic calculus of variations.Time reversaldiffusionsintegration by pars formulaArticle10.1214/aop/1176991505openAccess