@article{Novichkov:202207,
  author = "Novichkov, Pavel  and  Penedo, Joao  and  Petcov, Serguey",
  title = "{Mass hierarchies from residual modular symmetries}",
  doi = "10.22323/1.406.0050",
  journal = "PoS",
  year = 2022,
  volume = "CORFU2021",
  pages = "050"
}