Sanou, Rodrigue, Idrissa Ibrango, Blaise Koné, and Aboudramane Guiro. “Weak Solutions to Neumann Discrete Nonlinear System of Kirchhoff Type”. CUBO, A Mathematical Journal 21, no. 3 (January 20, 2020): 75–91. Accessed May 19, 2024. https://cubo.ufro.cl/ojs/index.php/cubo/article/view/2221.