CHUNG, N. T. Existence of solutions for a class of $p(x)$-curl systems arising in electromagnetism without (A-R) type conditions. Tamkang Journal of Mathematics, [S. l.], v. 51, n. 3, p. 187-200, 2020. DOI: 10.5556/j.tkjm.51.2020.2915. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/2915. Acesso em: 23 sep. 2020.