GUO, Zongming; WAN, Fangshu. Steklov problems for the fourth order Hénon-Hardy equation. Topological Methods in Nonlinear Analysis, [S. l.], v. 67, n. 2, p. 693–724, 2026. DOI: 10.12775/TMNA.2025.052. Disponível em: https://apcz.umk.pl/TMNA/article/view/73773. Acesso em: 30 oct. 2026.