@article{MatthewsLeigh1987,
  author    = {{Keith R. Matthews and George M. Leigh}},
  title     = {{A generalization of the Syracuse algorithm to $F_q [x]$}},
  journal   = {{J. Number Theory}},
  year      = {{1987}},
  volume    = {{25}},
  pages     = {{274--278}},
  note      = {{MR 88f:11116}},
}