[1] G. Bonanno, Some remarks on a three critical points theorem, Nonlinear Anal. Theory Meth. Appl. 54 (2003), no. 4, 651–665.
[2] G. Bonanno and S.A. Marano, On the structure of the critical set of non-differentiable functions with a weak compactness condition, Appl. Anal. 89 (2010), no. 1, 1–10.
[3] M.-M. Boureanu, Fourth-order problems with Leray-Lions type operators in variable exponent spaces, Discrete Contin. Dyn. Syst. Ser. S. 12 (2019), no. 2, 231–243.
[4] L. Diening, P. Harjulehto, P. Hästö, and M. Růžička, Lebesgue and Sobolev Spaces with Variable Exponents, vol. 2017, Springer Science & Business Media, 2011.
[5] X. Fan, On nonlocal p(x)p(x)-Laplacian Dirichlet problems, Nonlinear Anal. Theory Meth. Appl. 72 (2010), no. 7–8, 3314–3323.
[6] X. Fan and D. Zhao, On the spaces Lp(x)(Ω) and Wm,p(x)(Ω), J. Math. Anal. Appl. 263 (2001), no. 2, 424–446.
[7] Y. Karagiorgos and N. Yannakakis, A Neumann problem involving the p(x)-Laplacian with p=∞ in a subdomain, Adv. Calc. Var. 9 (2016), no. 1, 65–76.
[8] K. Kefi and V. Rădulescu, On a p(x)-biharmonic problem with singular weights, Z. Angew. Math. Phys. 68 (2017), no. 4, 1–13.
[9] K. Kefi, N. Irzi, and M.M. Al-shomrani, Existence of three weak solutions for fourth-order Leray-Lions problem with indefinite weights, Complex Var. Elliptic Equ. 68 (2023), no. 9, 1473–1484.
[10] Z. Musbah and A. Razani, A class of biharmonic nonlocal quasilinear systems consisting of Leray-Lions type operators with Hardy potentials, Bound. Value Probl. 2022 (2022), no. 1, 1–14.
[11] V.D. Rădulescu and D.D. Repovš, Partial Differential Equations with Variable Exponents: Variational methods and Qualitative Analysis, vol. 9, CRC Press, Boca Raton, 2015.
[12] M. Růžička, Electrorheological Fluids: Modeling and mathematical theory, Lecture Notes in Math. 1748 (2000), 16–38.
[13] K. Soualhine, M. Filali, M. Talbi, and N. Tsouli, Three weak solutions for a class of fourth order p(x)p(x)-Kirchhoff type problem with Leray-Lions operators, Bol. Soc. Paran. Mat. 42 (2024), 1–13.
[14] C. Yun-mei and S. Levine, and R. Hurali, Variable exponent, linear growth functionals in image processing. I, SIAM J. Appl. Math. 66 (2024), no. 4, 1383–1406.