@article{1568594,
  author = {Prashant Kocherlakota and Luciano Rezzolla and Event Horizon Telescope Collaboration},
  title = {Constraints on non-Einsteinian black-hole charges with the 2019 EHT observations of M87},
  year = {2021},
  journal = {Physical Review D},
  volume = {103},
  pages = {40-47},
  url = {https://journals.aps.org/prd/abstract/10.1103/PhysRevD.103.104047},
  language = {eng},
}