BALAADICH, F.; AZROUL, E. Elliptic Systems of $p$-Laplacian Type. Tamkang Journal of Mathematics, [S. l.], v. 53, n. 1, p. 11–21, 2021. DOI: 10.5556/j.tkjm.53.2022.3296. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3296. Acesso em: 22 dec. 2024.