KEITH, Stephen; RAJALA, Kai. A remark on Poincaré inequalities on metric measure spaces. MATHEMATICA SCANDINAVICA, [S. l.], v. 95, n. 2, p. 299–304, 2004. DOI: 10.7146/math.scand.a-14461. Disponível em: https://tidsskrift.dk/math/article/view/14461. Acesso em: 14 aug. 2026.