MATTILA, P. Measures with unique tangent measures in metric groups. MATHEMATICA SCANDINAVICA, [S. l.], v. 97, n. 2, p. 298–308, 2005. DOI: 10.7146/math.scand.a-14977. Disponível em: https://www.mscand.dk/article/view/14977. Acesso em: 28 apr. 2024.