Kefi K. Multiple solutions for a $p(x)$-Laplacian-like problem under Neumann boundary condition. Ukr. Mat. Zhurn. [Internet]. 2024 Sep. 4 [cited 2025 Dec. 5];76(8):1158-67. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/7575