Erhan Pişkin. “Global Nonexistence of Solutions for a System of Viscoelastic Wave Equations With Weak Damping Terms”. Malaya Journal of Matematik 3, no. 02 (April 1, 2015): 168–174. Accessed April 11, 2025. https://www.malayajournal.org/index.php/mjm/article/view/462.