1.
GarcĂ­a-Planas MI, Klymchuk T. Structural stability of matrix pencils and of matrix pairs under contragredient equivalence. Ukr. Mat. Zhurn. [Internet]. 2019May25 [cited 2024Apr.19];71(5):706-9. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1468