@article{JMLR:v8:blum07a,
  author  = {Avrim Blum and Yishay Mansour},
  title   = {From External to Internal Regret},
  journal = {Journal of Machine Learning Research},
  year    = {2007},
  volume  = {8},
  number  = {47},
  pages   = {1307--1324},
  url     = {http://jmlr.org/papers/v8/blum07a.html}
}