@Article{ 
  FreGhiPen15,
  author = { Frediani, Paola and Ghigi, Alessandro and Penegini, Matteo },
  title = { Shimura varieties in the Torelli locus via Galois coverings },
  journal = { Int. Math. Res. Not. IMRN },
  year = { 2015 },
  doi = { 10.1093/imrn/rnu272 },
  volume = { 2015 },
  number = { 20 },
  pages = { 10595-10623 },
  URL = { https://gecogedi.dimai.unifi.it/paper/26/ },
  note = { cvgmt preprint}
}