Kim, Yun Chol, and Chol Won O. “Reconstruction of a Discontinuous Refractive Index Using Modified Transmission Eigenvalues”. Journal of Informatics and Mathematical Sciences 17, no. 4 (December 30, 2025): 375–398. Accessed February 15, 2026. https://www.rgnpublications.com/journals/index.php/jims/article/view/3358.