BERNINI, Federico; BIEGANOWSKI, Bartosz; STRZELECKI, Daniel. Note on homoclinic solutions to nonautonomous Hamiltonian systems with sign-changing nonlinear part. Topological Methods in Nonlinear Analysis, [S. l.], p. 1–18, 2026. DOI: 10.12775/TMNA.2025.034. Disponível em: https://apcz.umk.pl/TMNA/article/view/70079. Acesso em: 9 apr. 2026.