[1]
V. V. Barkovsky, “On Green’s function of a self-conjugate elliptical operator generated by a differential expression and inhomogeneous boundary value conditions ”, Ukr. Mat. Zhurn., vol. 18, no. 2, pp. 84–91, Mar. 1966, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8718