@article{spectralsparserepresentationforclusterin,
  title = {Spectral Sparse Representation for Clustering: Evolved from PCA, K-means, Laplacian Eigenmap, and Ratio Cut},
  author = {Zhenfang Hu and Gang Pan and Yueming Wang and Zhaohui Wu},
  year = {2014},
  eprint = {1403.6290},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1403.6290v4},
}