@misc{indiciaeeed04238de25,
  title = {Unstable Box Orbits in Cuspy Elliptical Galaxies},
  author = {Hasan, H. and Pfenniger, D.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/20060036512},
  note = {Source identifier: 20060036512}
}