[1]
L. I. Karandzhulov, “Boundary-value problems for parametric ordinary differential equations”, Ukr. Mat. Zhurn., vol. 46, no. 4, pp. 372–377, Apr. 1994, Accessed: Feb. 17, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5733