@article{Riele1983b,
  author    = {{H. J. J. te Riele}},
  title     = {{Iteration of Number-theoretic functions}},
  journal   = {{Nieuw Archief voor Wiskunde, Series IV}},
  year      = {{1983}},
  volume    = {{1}},
  pages     = {{345--360}},
  note      = {{MR 85e:11003}},
}