TOPSOE, Flemming. Some remarks concerning pathological submeasures. Mathematica Scandinavica, Berkeley, CA, United States, v. 38, p. 159–166, 1976. DOI: 10.7146/math.scand.a-11625. Disponível em: https://journals.msp.org/mscand/article/view/2019. Acesso em: 25 jul. 2026.