GARCÍA-MELIÁN, Jorge, ROSSI, J. D. and DE LIS, José C. Sabina. A variable exponent diffusion problem of concave-convex nature. Topological Methods in Nonlinear Analysis. Online. 1 June 2016. Vol. 47, no. 2, pp. 613 - 639. [Accessed 22 July 2024]. DOI 10.12775/TMNA.2016.019.