@article{Lipari:2021yJ,
  author = "Lipari, Paolo",
  title = "{How well do we understand the properties of the Galactic cosmic ray accelerators and of cosmic ray propagation in the Galaxy ? A critical view.}",
  doi = "10.22323/1.395.0169",
  journal = "PoS",
  year = 2021,
  volume = "ICRC2021",
  pages = "169"
}