@Misc{ 
  MarPao22,
  author = { Marcellini, Paolo and Paolini, Emanuele },
  title = { Origami and fractal solutions of differential systems },
  journal = { Imagine Math },
  year = { 2022 },
  volume = { 8 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5411/ },
  note = { cvgmt preprint}
}