@article{greedysamplingofgraphsignals,
  title = {Greedy Sampling of Graph Signals},
  author = {Luiz. F. O. Chamon and Alejandro Ribeiro},
  year = {2017},
  eprint = {1704.01223},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1704.01223v2},
}