@article{susnjara2015,
      title={Accelerated filtering on graphs using Lanczos method}, 
      author={Ana Susnjara and Nathanael Perraudin and Daniel Kressner and Pierre Vandergheynst},
      year={2015},
      eprint={1509.04537},
      archivePrefix={arXiv},
      primaryClass={math.NA},
      url={https://arxiv.org/abs/1509.04537}, 
}