Dawar, A., Grädel, E., & Kreutzer, S. (2004). Backtracking games and inflationary fixed points.
Lua i Stíl Chicago (17ú heag.)Dawar, A., E. Grädel, agus S. Kreutzer. Backtracking Games and Inflationary Fixed Points. 2004.
Lua MLA (9ú heag.)Dawar, A., et al. Backtracking Games and Inflationary Fixed Points. 2004.
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