@article{Vercellone:2024L6,
  author = "Vercellone, Stefano  and  Romano, Patrizia  and  Baitieri, Sara",
  title = "{Gamma-ray narrow-line Seyfert galaxies: first long-term optical, UV, and X-ray monitoring}",
  doi = "10.22323/1.461.0050",
  journal = "PoS",
  year = 2024,
  volume = "HEPROVIII",
  pages = "050"
}