KLEE, V. L. J. Iteration of the "lin" operation for convex sets. MATHEMATICA SCANDINAVICA, [S. l.], v. 4, p. 231–238, 1956. DOI: 10.7146/math.scand.a-10470. Disponível em: https://www.mscand.dk/article/view/10470. Acesso em: 29 apr. 2024.