HOLOPAINEN, I.; SOARDI, P. M. A strong Liouville theorem for p-harmonic functions on graphs. Annales Fennici Mathematici, [S. l.], v. 22, n. 1, p. 205–226, 1997. Disponível em: https://afm.journal.fi/article/view/134887. Acesso em: 25 nov. 2024.