Indistinguishable particles and hidden variables
  An axiomatics for indistinguishability of elementary particles in terms of hidden variables is presented in a manner which depart from the standard approaches usually given to hidden variables. Quantum distribution functions are also discussed and some related lines of work are suggested. 
Adonai S. Sant'Anna and Decio Krause (Departamento de Matematica,   Universidade Federal do Parana)