HOFFMANN-JORGENSEN, Jorgen. A general "in between theorem". Mathematica Scandinavica, Berkeley, CA, United States, v. 50, p. 55–65, 1982. DOI: 10.7146/math.scand.a-11943. Disponível em: https://journals.msp.org/mscand/article/view/1705. Acesso em: 25 jul. 2026.