YÜKSEKKAYA, H.; PIŞKIN, E. Blow up of Solutions for Petrovsky Equation with Delay Term. Journal of Nepal Mathematical Society, [S. l.], v. 4, n. 1, p. 76–84, 2021. DOI: 10.3126/jnms.v4i1.37118. Disponível em: https://www.nepjol.info/index.php/jnms/article/view/37118. Acesso em: 20 sep. 2021.