The Discrete Lyapunov Equation of The Orthogonal Matrix in Semiring. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 16, n. 2, p. 784–790, 2023. DOI: 10.29020/nybg.ejpam.v16i2.4712. Disponível em: https://ejpam.com/index.php/ejpam/article/view/4712.. Acesso em: 3 jul. 2024.