{{Cite journal| volume = 321| issue = 9| pages = 1251–1256| last1 = Chancelier| first1 = J.P.| last2 = Delara| first2 = M.C.| last3 = Pacard| first3 = F.| title = Fokker-Planck Equation For The Density Of A Diffusion Process In A Regular Open Set| journal = Comptes Rendus De L Academie Des Sciences Serie I-Mathematique| date = 1995}}