@article{11105,
  author = {A. Cook},
  title = {Exact solutions in the theory of orbits},
  year = {1966},
  journal = {Monthly Notices of the Royal Astronomical Society},
  volume = {134},
  pages = {253-268},
  url = {http://articles.adsabs.harvard.edu/full/1966MNRAS.134..253C},
  doi = {10.1093/mnras/134.3.253},
  note = {JILA Pub. 187},
}