@article{AndreiMasalagiu1998,
  author    = {{Stefan Andrei and Cristian  Masalagiu}},
  title     = {{About the Collatz Conjecture}},
  journal   = {{Acta Informatica}},
  year      = {{1998}},
  volume    = {{35}},
  pages     = {{167--179}},
  url       = {{https://link.springer.com/article/10.1007/s002360050117}},
  note      = {{MR 99d:68097}},
  extra_urls= {{https://www.semanticscholar.org/paper/About-the-Collatz-conjecture-Andrei-Masalagiu/4b58ea806fc7782c23599cb6f652a22754efff06}},
}