Feller, M. N., Ya. I. Belopolskaya, and S. Albeverio. “Lévy-Dirichlet Forms. II”. Methods of Functional Analysis and Topology 12, no. 4 (December 25, 2006): 302–314. Accessed December 16, 2025. https://zen.imath.kiev.ua/index.php/mfat/article/view/324.