@article{Scollo2005,
  author    = {{Giuseppe Scollo}},
  title     = {{$\omega$-rewriting the Collatz problem}},
  journal   = {{Fundamenta Informaticae}},
  year      = {{2005}},
  volume    = {{64}},
  pages     = {{401--412}},
  note      = {{MR 2008g:68060, Zbl 1102.68051}},
}