@article{austatisticestimatorforthevarianceof,
  title = {A U-statistic estimator for the variance of resampling-based error estimators},
  author = {Mathias Fuchs and Roman Hornung and Riccardo De Bin and Anne-Laure Boulesteix},
  year = {2013},
  eprint = {1310.8203},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1310.8203v2},
}