Zabavskii, B.V. (2003) “Reduction of Matrices over Bezout Rings of Stable Rank not Higher than 2”, Ukrains’kyi Matematychnyi Zhurnal, 55(4), pp. 550–554. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3929 (Accessed: 6 December 2025).