Finite Time Blow Up of Solution for 1-D Nonlinear Wave Equation of Sixth Order with Linear Restoring Force at High Energy Level. Journal of Partial Differential Equations, [S. l.], v. 31, n. 3, p. 274–280, 2018. DOI: 10.4208/jpde.v31.n3.6. Disponível em: https://global-sci.com/index.php/jpde/article/view/4309. Acesso em: 6 dec. 2025.