Karatzas, Ioannis ; Tschiderer, Bertram. / A variational characterization of Langevin−Smoluchowski diffusions. Stochastic Analysis, Filtering, and Stochastic Optimization: A Commemorative Volume to Honor Mark H. A. Davis's Contributions. editor / George Yin ; Thalela Zariphopoulou. Cham : Springer, 2022. pp. 239-266