El Amrouss, A., and A. El Mahraoui. “Infinitely Many Solutions for Anisotropic Elliptic Equations With Variable Exponent”. Proyecciones (Antofagasta, On Line), vol. 40, no. 5, Sept. 2021, pp. 1071-96, doi:10.22199/issn.0717-6279-3921.