@article{412196,
      author = {Gaeta, Giuseppe,},
      url = {http://library.usi.edu/record/412196},
      title = {Symmetry and perturbation theory proceedings of the  international conference SPT 2004, Cala Gonone, Sardinia,  Italy, 30 May - 6 June 2004 / [electronic resource] :.  International Workshop on Symmetry and Perturbation Theory},
      publisher = {World Scientific,},
      recid = {412196},
      pages = {xii, 332 p. :},
      address = {Hackensack, N.J. :},
      year = {2005},
}