LIU, Jian and ZHAO, Zengqin. p(x)-biharmonic equations involving (h,r(x))-Hardy singular coefficients with no-flux boundary conditions. Topological Methods in Nonlinear Analysis. Online. 21 September 2024. Vol. 64, no. 2, pp. 561 - 576. [Accessed 11 April 2025]. DOI 10.12775/TMNA.2024.016.