@Article{ 
  BorDeF21a,
  author = { Borrelli, William and De Falco, Vittorio },
  title = { Timescales of the chaos onset in the general relativistic Poynting-Robertson effect },
  journal = { Phys. Rev. D },
  year = { 2021 },
  volume = { 103 },
  number = { 12 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5124/ },
  note = { cvgmt preprint}
}