2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61984We extend to the case of a system involving p-Laplacians, the monotonicity and symmetry results of Damascelli and Pacella obtained in the case of a scalar p-Laplace equation with $1<p<2$. For this purpose, we use the moving hyperplanes method and we suppose that the right hand sides are increasing and locally Lipschitz continuous.22 pagesAnalysis of PDEs35J55, 35J60, 35B99text