[1]
N. H. Khoma, “An exact solution of boundary-value problem”, Ukr. Mat. Zhurn., vol. 51, no. 8, pp. 1142–1143, Aug. 1999, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4708