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- Language: English
- Year: 2002

- Author: Raymond M. Smullyan Greer Fitting Martin Gardner
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- Year: 1986

- Author: Ian Stewart Jack Cohen
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- Author: John Stillwell
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- Author: Shakuntala D.
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- Author: Poincare H.
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Dernieres pensees
djvu
- Author: Poincare H.
- Language: French