Shavarovsky B. Z. (1992) “On decomposability of matrix polynomials with coefficients of quasi-simple structure”, Ukrains’kyi Matematychnyi Zhurnal, 44(12), pp. 1716-1718. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/8197 (Accessed: 27July2024).