OsipchukM. M. “Density of the Transition Probability for One Class of Generalized Diffusion Processes”. Ukrains’kyi Matematychnyi Zhurnal 50, no. 10 (October 25, 1998): 1433–1437. Accessed November 28, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4830.