ROSENBLATT, Joseph Max. A Generalization of Folner’s Condition. Mathematica Scandinavica, Berkeley, CA, United States, v. 33, p. 153–170, 1973. DOI: 10.7146/math.scand.a-11481. Disponível em: https://journals.msp.org/mscand/article/view/2182. Acesso em: 25 jul. 2026.