1.
Romaniv AM, Shchedrik VP. Greatest common divisor of matrices one of which is a disappear matrix. Ukr. Mat. Zhurn. [Internet]. 2014 Mar. 25 [cited 2025 Dec. 5];66(3):425–430. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2145