@article{Leigh1986,
  author    = {{George M. Leigh}},
  title     = {{A Markov process underlying the generalized Syracuse algorithm}},
  journal   = {{Acta Arithmetica}},
  year      = {{1986}},
  volume    = {{46}},
  pages     = {{125--143}},
  note      = {{MR 87i:11099}},
}