SAEKI, S.; STROMBERG, K. Measurable subgroups and nonmeasurable characters. MATHEMATICA SCANDINAVICA, [S. l.], v. 57, p. 359–374, 1985. DOI: 10.7146/math.scand.a-12122. Disponível em: https://www.mscand.dk/article/view/12122. Acesso em: 24 nov. 2024.