Persio, L. Di, Yu. G. Kondratiev, and V. Vardanyan. “Diffusion Approximation for Transport Equations With Dissipative Drifts”. Methods of Functional Analysis and Topology 28, no. 1 (March 25, 2022): 1–11. Accessed December 15, 2025. https://zen.imath.kiev.ua/index.php/mfat/article/view/814.