@article{Novichkov:2022fd,
  author = "Novichkov, Pavel  and  Penedo, Joao  and  Petcov, Serguey",
  title = "{Fermion mass hierarchies from residual modular symmetries}",
  doi = "10.22323/1.405.0021",
  journal = "PoS",
  year = 2022,
  volume = "DISCRETE2020-2021",
  pages = "021"
}