@inproceedings{Echevarria:2017Pa,
  author = "Echevarria, Miguel G.",
  title = "{Definition and evolution of GTMDs}",
  doi = "10.22323/1.284.0035",
  booktitle = "Proceedings of  QCD Evolution 2016 {\textemdash} PoS(QCDEV2016)",
  year = 2017,
  volume = "284",
  pages = "035"
}