@article{D'Alesio:2017hv,
  author = "D'Alesio, Umberto  and  Flore, Carlo  and  Murgia, Francesco",
  title = "{Quasi-real photon contribution to $A_N$ in $\ell p^\uparrow \to \pi\, X$ within a TMD approach}",
  doi = "10.22323/1.284.0002",
  journal = "PoS",
  year = 2017,
  volume = "QCDEV2016",
  pages = "002"
}