MARTYNYUK, A.A. Matrix Liapunov‘s Functions Method and Stability Analysis of Continuous Systems. CUBO, A Mathematical Journal, [S. l.], v. 6, n. 4, p. 209–257, 2004. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/1561. Acesso em: 12 oct. 2025.