Juling, Li, and Gao Hongya. “A Note on Very Weak Solutions for a Class of Nonlinear Elliptic Equations”. Sarajevo Journal of Mathematics 3, no. 1 (June 12, 2024): 41–45. Accessed November 23, 2024. https://sjm.anubih.ba/index.php/sjm/article/view/401.