@ARTICLE{Huang-1502-02114,
 author = "P. A. R. Ade, N. Aghanim, M. Arnaud and others",
 title = "{Planck 2015 results. XX. Constraints on inflation}",
 journal = "{A&A}",
 year = {2016},
 month = {Sep},
 date = {20},
 volume = {594},
 pages = {A20},
 doi = {10.1051/0004-6361/201525898},
 archivePrefix = {arXiv},
 eprint = {1502.02114}
}