@article{BrandingDrukker2009,
  author    = {Volker Branding and Nadav Drukker},
  title     = {BPS Wilson loops in N=4 supersymmetric Yang-Mills theory : examples on hyperbolic submanifolds of space-time},
  doi       = {10.1103/Physrevd.79.106006},
  url       = {http://prd.aps.org/},
  year      = {2009},
}