AZZAM-LAOUIR, D.; LOUNIS, S. Nonconvex perturbations of second order maximal monotone differential inclusions. Topological Methods in Nonlinear Analysis, [S. l.], v. 35, n. 2, p. 305–317, 2010. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2010.018. Acesso em: 22 jul. 2024.