[1]
V. M. Molyboga and V. A. Mikhailets, “Schrödinger operators with complex singular potentials”, MFAT, vol. 19, no. 1, pp. 16–28, Mar. 2013, Accessed: Dec. 16, 2025. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/532