@misc{W2796431263,
  author = {Antonio Ortega and Pascal Frossard and Jelena Kovačević and José M. F. Moura and Pierre Vandergheynst},
  title = {Graph Signal Processing: Overview, Challenges, and Applications},
  year = {2018},
  howpublished = {Proceedings of the IEEE},
  doi = {https://doi.org/10.1109/jproc.2018.2820126}
}