References
- [1] Martin Gardner and Tom Ransom. “Mathematical Games”. In: Scientific American (1975).10.1038/scientificamerican0475-126
- [2] Martin Gardner and Dana Richards. The colossal book of short puzzles and problems. Norton, 2006.
- [3] Tanya Khovanova. “Odd One Out”. In: arXiv preprint arXiv:1005.2700 (2010).