GUO, Zongming; WAN, Fangshu. Steklov problems for the fourth order Hénon-Hardy equation. Topological Methods in Nonlinear Analysis, [S. l.], p. 1–32, 2026. DOI: 10.12775/TMNA.2025.052. Disponível em: https://apcz.umk.pl/TMNA/article/view/73773. Acesso em: 26 jul. 2026.