B. Z. Shavarovskyy, “On Semiscalar and Quasidiagonal Equivalences of Matrices”, Ukr. Mat. Zhurn., vol. 52, no. 10, pp. 1435–1440, Oct. 2000, Accessed: Apr. 09, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4550