@article{Collins:2017Ea,
  author = "Collins, John",
  title = "{Do fragmentation functions in factorization theorems correctly treat non-perturbative effects?}",
  doi = "10.22323/1.284.0003",
  journal = "PoS",
  year = 2017,
  volume = "QCDEV2016",
  pages = "003"
}