Puzzled: Solutions and sources

Peter Winkler. Puzzled: Solutions and sources. Communications of the ACM, 56(12):126, 2013. [doi]

@article{Winkler13g,
  title = {Puzzled: Solutions and sources},
  author = {Peter Winkler},
  year = {2013},
  doi = {10.1145/2534706.2534727},
  url = {http://doi.acm.org/10.1145/2534706.2534727},
  researchr = {https://researchr.org/publication/Winkler13g},
  cites = {0},
  citedby = {0},
  journal = {Communications of the ACM},
  volume = {56},
  number = {12},
  pages = {126},
}