ArovD. Z. and Nudel’manA. A. (2000) “Criterion of unitary similarity of minimal passive scattering systems with a given transfer function”, Ukrains’kyi Matematychnyi Zhurnal, 52(2), pp. 147-156. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4404 (Accessed: 1September2024).