KAUFMAN, R. On Menshoff’s Set of Multiplicity. MATHEMATICA SCANDINAVICA, [S. l.], v. 34, p. 235–240, 1974. DOI: 10.7146/math.scand.a-11525. Disponível em: https://www.mscand.dk/article/view/11525. Acesso em: 5 may. 2024.