@article{de-Buyl:2004rU,
  author = "de-Buyl, S.  and  Henneaux, Marc  and  Julia, B.  and  Paulot, Louis",
  title = "{Cosmological Billiards and Kac-Moody Symmetries of Supergravity}",
  doi = "10.22323/1.011.0015",
  journal = "PoS",
  year = 2004,
  volume = "jhw2003",
  pages = "015"
}