@inproceedings{Ciprini:2018IE,
  author = "Ciprini, Stefano",
  title = "{The OJ 287 black hole binary: witness of the validity of the General Relativity}",
  doi = "10.22323/1.288.0044",
  booktitle = "Proceedings of Accretion Processes in Cosmic Sources {\textemdash} PoS(APCS2016)",
  year = 2018,
  volume = "288",
  pages = "044"
}