KHACHATRYAN, Kh. A.; ANDRIYAN, S. M. On the solvability of a class of discrete matrix equations with a cubic nonlinearity. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 12, p. 1667–1683, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/186. Acesso em: 5 dec. 2025.