Ait Hammou, Mustapha, and El Houssine Azroul. 2019. “Nonlinear Elliptic Problems in Weighted Variable Exponent Sobolev Spaces by Topological Degree”. Proyecciones (Antofagasta, On Line) 38 (4):733-51. https://doi.org/10.22199/issn.0717-6279-2019-04-0048.