Kohatsu-Higa, A. “A Stochastic Interpretation of the Parametrix Method”. Ukrains’kyi Matematychnyi Zhurnal 75, no. 11 (November 30, 2023): 1479–1496. Accessed December 5, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/7382.