@article{learningfeaturesparseprincipalcomponents,
  title = {Learning Feature Sparse Principal Components},
  author = {Lai Tian and Feiping Nie and Xuelong. Li},
  year = {2019},
  eprint = {1904.10155},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1904.10155v2},
}