@article{399398,
      author = {Greenspan, Donald.},
      url = {http://library.usi.edu/record/399398},
      title = {N-body problems and models [electronic resource] /},
      publisher = {World Scientific,},
      recid = {399398},
      pages = {xi, 180 p. :},
      address = {Singapore ;},
      year = {2004},
}