A. F. Guliyev and S. H. Ismayilova, “Mixed Boundary-Value Problem for Linear Second-Order Nondivergent Parabolic Equations with Discontinuous Coefficients”, Ukr. Mat. Zhurn., vol. 66, no. 11, pp. 1443–1462, Nov. 2014, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2237