@article{107446,
  author = {Vardan Khachatryan and others},
  title = {Observation of $\Upsilon$(1S) pair production in proton-proton collisions at $ \sqrts=8 $ TeV},
  year = {2017},
  journal = {JHEP},
  volume = {05},
  pages = {013},
  doi = {10.1007/JHEP05(2017)013},
  language = {eng},
}