BEŁDZIŃSKI, Michał; GALEWSKI, Marek; KOSSOWSKI, Igor. Existence results for semi-linear differential equations with nonlocal boundary value conditions. Topological Methods in Nonlinear Analysis, [S. l.], p. 1–21, 2026. DOI: 10.12775/TMNA.2025.042. Disponível em: https://apcz.umk.pl/TMNA/article/view/70084. Acesso em: 26 mar. 2026.