ANDENAES, P. R. Extreme Boundaries and continous affine functions. MATHEMATICA SCANDINAVICA, [S. l.], v. 40, p. 197–208, 1977. DOI: 10.7146/math.scand.a-11689. Disponível em: https://www.mscand.dk/article/view/11689. Acesso em: 14 apr. 2025.