@article{Brocco1995,
  author    = {{Stefano Brocco}},
  title     = {{A Note on Mignosi's Generalization of the $3x+1$ Problem}},
  journal   = {{J. Number Theory}},
  year      = {{1995}},
  volume    = {{52}},
  pages     = {{173--178}},
  note      = {{MR 96d:11025}},
}