@article{OhiraYamashita2004a,
  author    = {{Reiko Ohira and Michinori Yamashita}},
  title     = {{On the $p$-Collatz problem}},
  journal   = {{PC Literacy [Pasocon Literacy] (Personal Computer Users Application Technology Association)}},
  year      = {{2004}},
  volume    = {{31}},
  number    = {{4}},
  pages     = {{61--64}},
}