@article{dualitybetweensubgradientandconditional,
  title = {Duality between subgradient and conditional gradient methods},
  author = {Francis Bach},
  year = {2012},
  eprint = {1211.6302},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1211.6302v3},
}