@article{Stefanescu:2008,
  author  = "A. Stefanescu and G. Kanbach and A. Słowikowska and J. Greiner and S. McBreen and G. Sala",
  title   = "Very fast optical flaring from a possible new Galactic magnetar",
  journal = "Nature",
  volume  = "Vol. 455",
  pages   = "503--505",
  year    = "2008",
}