DUSSEL, Ignacio Ceresa and BONDER, Julián Fernández. Existence of eigenvalues for anisotropic and fractional anisotropic problems via Ljusternik-Schnirelmann Theory. Topological Methods in Nonlinear Analysis. Online. 25 September 2024. Vol. 64, no. 2, pp. 577 - 596. [Accessed 17 December 2025]. DOI 10.12775/TMNA.2024.001.