@article{SperanzaZetenyiFriman2016,
  author    = {Enrico Speranza and Mikl{\´o}s Z{\´e}t{\´e}nyi and Bengt Friman},
  title     = {Polarization and dilepton anisotropy in pion-nucleon collisions},
  journal   = {Physics Letters B},
  volume    = {764},
  pages     = {282 -- 288},
  doi       = {10.1016/j.physletb.2016.11.015},
  year      = {2016},
}