[1]
O. Y. Mylyo and O. G. Storozh, “A Differential Boundary Operator of the Sturm–Liouville Type on a Semiaxis with Two-Point Integral Boundary Conditions”, Ukr. Mat. Zhurn., vol. 54, no. 11, pp. 1480–1485, Nov. 2002, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4186