TVERBERG, H. A seperation property of plane convex sets. MATHEMATICA SCANDINAVICA, [S. l.], v. 45, p. 255–260, 1979. DOI: 10.7146/math.scand.a-11840. Disponível em: https://www.mscand.dk/article/view/11840. Acesso em: 22 nov. 2024.