@article{Rozier2017,
  author    = {{Olivier Rozier}},
  title     = {{The 3x+1 problem: a lower bound hypothesis}},
  journal   = {{Funct. Approx. Comment. Math. }},
  year      = {{2017}},
  volume    = {{56}},
  number    = {{1}},
  pages     = {{7--23}},
  doi       = {{10.7169/facm/1583}},
}