@Article{ 
  GorVla16,
  author = { Gori, Anna and Vlacci, Fabio },
  title = { Starlikeness for functions of a hypercomplex variable },
  journal = { Proc. Amer. Math. Soc. },
  year = { 2017 },
  doi = { 10.1090/proc/13256 },
  volume = { 145 },
  number = { 2 },
  pages = { 791-804 },
  URL = { https://gecogedi.dimai.unifi.it/paper/150/ },
  note = { cvgmt preprint}
}