Kazanivskiy, M., Ya. Mykytyuk, and N. Sushchyk. “Transformation Operators for Impedance Sturm–Liouville Operators on the Line”. Matematychni Studii 60, no. 1 (September 22, 2023): 79-98. Accessed November 1, 2024. http://matstud.org.ua/ojs/index.php/matstud/article/view/433.