MILNES, Paul. Minimal and distal functions on semidirect products of groups II. MATHEMATICA SCANDINAVICA, [S. l.], v. 58, p. 215–226, 1986. DOI: 10.7146/math.scand.a-12141. Disponível em: https://tidsskrift.dk/math/article/view/12141. Acesso em: 14 aug. 2026.