RIEGER, G. J. Über Lipschitz-Folgen. Mathematica Scandinavica, Berkeley, CA, United States, v. 45, p. 168–176, 1979. DOI: 10.7146/math.scand.a-11834. Disponível em: https://journals.msp.org/mscand/article/view/1815. Acesso em: 25 jul. 2026.