SKRYPNIK, Igor V.; ROMANENKO, Igor B. Topological characteristic of fully nonlinear parabolic boundary value problems. Topological Methods in Nonlinear Analysis, [S. l.], v. 23, n. 1, p. 1–31, 2004. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2004.001. Acesso em: 4 jul. 2025.