@article{efficientalgorithmsanderroranalysisfor,
  title = {Efficient Algorithms and Error Analysis for the Modified Nystrom Method},
  author = {Shusen Wang and Zhihua Zhang},
  year = {2014},
  eprint = {1404.0138},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1404.0138v1},
}