GONCHARENKO, M. V.; KHRUSLOV, E. Ya. On the exponential decay of vibrations of damped elastic media. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 63, n. 11, p. 1443–1459, 2011. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2817. Acesso em: 5 dec. 2025.