EDWARDS, D. A. Minimum-Stable Wedges of Semicontinuous Functions. MATHEMATICA SCANDINAVICA, [S. l.], v. 19, p. 15–26, 1966. DOI: 10.7146/math.scand.a-10792. Disponível em: https://www.mscand.dk/article/view/10792. Acesso em: 29 apr. 2024.