GIBLIN, P. J.; HOLTOM, P. A. Affine-Distance symmetry sets. MATHEMATICA SCANDINAVICA, [S. l.], v. 93, n. 2, p. 247–267, 2003. DOI: 10.7146/math.scand.a-14422. Disponível em: https://www.mscand.dk/article/view/14422. Acesso em: 23 dec. 2024.