PAPAGEORGIOU, N. S.; VETRO, C.; VETRO, F. Nonlinear vector Duffing inclusions with no growth restriction on the orientor field. Topological Methods in Nonlinear Analysis, [S. l.], v. 54, n. 1, p. 257–274, 2019. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2019.041. Acesso em: 27 jul. 2024.