• Uma nota sobre o teorema de Borsuk-Ulam 

      Ribeiro Júnior, José Roberto; http://lattes.cnpq.br/7375801203443744 (Universidade Federal de São CarlosBRUFSCarPrograma de Pós-graduação em Matemática, 2011-02-25)
      The main objective of this work is to prove that the map B defined on F and taking values in B, where F is the set of all continuous functions from Sn to Rn and B is the set of all nonempty closed subsets of Sn, invariant ...