@article{JMLR:v15:mannor14a,
  author  = {Shie Mannor and Vianney Perchet and Gilles Stoltz},
  title   = {Set-Valued Approachability and Online Learning with Partial Monitoring},
  journal = {Journal of Machine Learning Research},
  year    = {2014},
  volume  = {15},
  number  = {94},
  pages   = {3247--3295},
  url     = {http://jmlr.org/papers/v15/mannor14a.html}
}