DE BLASI, F. S.; PIANIGIANI, G. Solution sets of boundary value problems for nonconvex differential inclusions. Topological Methods in Nonlinear Analysis, [S. l.], v. 1, n. 2, p. 303–313, 1993. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1993.022. Acesso em: 22 lip. 2024.