[1]
S. A. Kuzhel, “Nonlocal perturbations of the radial wave equation. Lax-Phillips approach”, MFAT, vol. 8, no. 2, pp. 59–68, Jun. 2002, Accessed: Feb. 04, 2026. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/184