@article{10416,
  author = {C. Hunter and S. Tremaine},
  title = {Collinear configurations of galaxies can be stable},
  year = {1977},
  journal = {The Astronomical Journal},
  volume = {82},
  pages = {262},
  month = {Jan-04-1977},
  issn = {00046256},
  url = {http://adsabs.harvard.edu/full/1977AJ.....82..262H},
  doi = {10.1086/112041},
}