B
[Bou01] Charles L. Bouton. Nim, a game with a complete mathematical theory. Annals of Mathematics 3(1-4):35-39. Princeton University Press, 1901. 
@article{am3(1-4)-Bou,
  author =              {Bouton, Charles L.},
  title =               {Nim, a~game with a complete mathematical theory},
  publisher =           {Princeton University Press},
  journal =             {Annals of Mathematics},
  volume =              {3},
  number =              {1-4},
  pages =               {35-39},
  year =                {1901},
}
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