@inproceedings{howclosearetheeigenvectorsofthesample,
  title = {How Close Are the Eigenvectors of the Sample and Actual Covariance Matrices?},
  author = {Andreas Loukas},
  year = {2017},
  booktitle = {ICML 2017 8},
  url = {https://icml.cc/Conferences/2017/Schedule?showEvent=489},
}