MitropolskiyYu. A. “Approximate Solution of the Fokker-Planck-Kolmogorov Equation”. Ukrains’kyi Matematychnyi Zhurnal 47, no. 3 (March 25, 1995): 351–361. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5424.