Blow Up of Solutions to One Dimensional Initial-boundary Value Problems for Semilinear Wave Equations with Variable Coefficients. Journal of Partial Differential Equations, [S. l.], v. 26, n. 2, p. 138–150, 2013. DOI: 10.4208/jpde.v26.n2.4. Disponível em: https://gsp.tricubic.dev/jpde/article/view/14854. Acesso em: 14 mar. 2026.