TaarabtiS., El Allali Z., and Ben HaddouchK. 2020. “On $\mathcal{p}(x)$-Kirchhoff-Type Equation Involving $\mathcal{p}(x)$-Biharmonic Operator via Genus Theory”. Ukrains’kyi Matematychnyi Zhurnal 72 (6), 842-51. https://doi.org/10.37863/umzh.v72i6.6019.