@inproceedings{Severgnini:2024fe,
  author = "Severgnini, Paola  and  De Rosa, Alessandra  and  Vignali, Cristian  and  Mannucci, Filippo",
  title = "{Dual and binary supermassive black holes}",
  doi = "10.22323/1.447.0061",
  booktitle = "Proceedings of Multifrequency Behaviour of High Energy Cosmic Sources XIV {\textemdash} PoS(MULTIF2023)",
  year = 2024,
  volume = "447",
  pages = "061"
}