RomanivA. M., and ShchedrikV. P. “Greatest Common Divisor of Matrices One of Which Is a Disappear Matrix”. Ukrains’kyi Matematychnyi Zhurnal 66, no. 3 (March 25, 2014): 425–430. Accessed November 23, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2145.