KAMENSKIĬ, M. I.; NISTRI, P.; ZECCA, P. On the periodic solutions problem for parabolic inclusions with a large parameter. Topological Methods in Nonlinear Analysis, [S. l.], v. 8, n. 1, p. 57–77, 1996. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1996.021. Acesso em: 22 jan. 2022.