@article{Goodwin2003,
  author    = {{Jeffrey R. Goodwin}},
  title     = {{Results on the Collatz conjecture}},
  journal   = {{Annalele Stiintifice ale Universitatii ``Al. I. Cuza'' din lasi serie noua. Informatica (Romanian)}},
  year      = {{2003}},
  volume    = {{XIII}},
  pages     = {{1--16}},
  note      = {{MR2067520 (2005b:11025)}},
}