JI, Chao; RĂDULESCU, Vicenţiu D. Ground states of biharmonic equations on lattice graphs. Topological Methods in Nonlinear Analysis, [S. l.], v. 66, n. 1, p. 273–288, 2025. DOI: 10.12775/TMNA.2025.014. Disponível em: https://apcz.umk.pl/TMNA/article/view/65912. Acesso em: 12 dec. 2025.