BARTUZEL, Grzegorz; FRYSZKOWSKI, Andrzej. Fillipov-Ważewski Thorem for certain second order differential inclusions. Topological Methods in Nonlinear Analysis, [S. l.], v. 47, n. 1, p. 389–403, 2016. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2016.013. Acesso em: 8 jul. 2025.