@Article{ 
  AroGum17,
  author = { Arosio, Leandro and Gumenyuk, Pavel },
  title = { Valiron and Abel equations for holomorphic self-maps of the polydisc },
  journal = { Internat. J. Math. },
  year = { 2017 },
  pages = { 16 },
  URL = { https://gecogedi.dimai.unifi.it/paper/261/ },
  note = { cvgmt preprint}
}