M. D. Pochynaiko and Y. M. Sidorenko, “Construction of scattering operators by the method of binary Darboux transformations”, Ukr. Mat. Zhurn., vol. 58, no. 8, pp. 1097–1115, Aug. 2006, Accessed: Feb. 16, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3516