@article{Wirsching1994,
  author    = {{Günther J. Wirsching}},
  title     = {{A Markov chain underlying the backward Syracuse algorithm}},
  journal   = {{Rev. Roumaine Math. Pures Appl.}},
  year      = {{1994}},
  volume    = {{39}},
  pages     = {{915--926}},
  note      = {{MR 96d:11027}},
}