@article{EwerzLebiedowiczNachtmannetal.2016,
  author    = {Carlo Ewerz and Piotr Lebiedowicz and Otto Nachtmann and Antoni Szczurek},
  title     = {Helicity in proton-proton elastic scattering and the spin structure of the pomeron},
  journal   = {Physics Letters B},
  volume    = {763.2016},
  pages     = {382 -- 387},
  doi       = {10.1016/j.physletb.2016.10.064},
  year      = {2016},
}