@article{Solovtsova:2013g1,
  author = "Solovtsova, Olga",
  title = "{R-related quantities in QCD and the Adler D-function}",
  doi = "10.22323/1.173.0016",
  journal = "PoS",
  year = 2013,
  volume = "Baldin ISHEPP XXI",
  pages = "016"
}