KEHLET, E. T. Cross sections for quotient maps of locally compact groups. MATHEMATICA SCANDINAVICA, [S. l.], v. 55, p. 152–160, 1984. DOI: 10.7146/math.scand.a-12073. Disponível em: https://www.mscand.dk/article/view/12073. Acesso em: 27 apr. 2024.