JENKINS, J. W. Folner’s Condition for Exponentially Bounded Groups. MATHEMATICA SCANDINAVICA, [S. l.], v. 35, p. 165–174, 1974. DOI: 10.7146/math.scand.a-11544. Disponível em: https://www.mscand.dk/article/view/11544. Acesso em: 14 apr. 2025.