@article{101916,
  keywords = {cosmic background radiation, cosmology: theory, early Universe, inflation},
  author = {Planck Collaboration and P.~A.~R. Ade and N. Aghanim and M. Arnaud and F. Arroja and M. Ashdown and J. Aumont and C. Baccigalupi and M. Ballardini and A.~J. Banday and et al.},
  title = {Planck 2015 results. XX. Constraints on inflation},
  year = {2016},
  journal = {\aap},
  volume = {594},
  pages = {A20},
  month = {09/2016},
  doi = {10.1051/0004-6361/201525898},
  language = {eng},
}