KOLKOVSKA, N.; DIMOVA, M.; KUTEV, N. Nonexistence of Global Solutions to Double Dispersion Equations with Linear Restoring Force and Nonlinearities with Variable Coefficients. Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 76, n. 10, p. 1486–1494, 2023. DOI: 10.7546/CRABS.2023.10.02. Disponível em: https://proceedings.bas.bg/index.php/cr/article/view/396. Acesso em: 27 may. 2024.