E
[EM79] Andrzej Ehrenfeucht and Jan Mycielski. Positional strategies for mean payoff games. International Journal of Game Theory 8(2):109-113. Springer-Verlag, June 1979. 
@article{ijgt49-EM,
  author =              {Ehrenfeucht, Andrzej and Mycielski, Jan},
  title =               {Positional strategies for mean payoff games},
  publisher =           {Springer-Verlag},
  journal =             {International Journal of Game Theory},
  volume =              {8},
  number =              {2},
  pages =               {109-113},
  year =                {1979},
  month =               jun,
  doi =                 {10.1007/BF01768705},
}
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