Autores

•  Raymond Smullyan (7)
•  Martin Gardner (6)
•  Alberto Casas (4)
•  Manuel De León (4)
•  Marie Berrondo Agrell (4)
•  Edgar Antonio Vargas Castro (3)
•  William Antonio Lozano Rivas (3)
•  Robert March (2)
•  Antonio Rosas (2)
•  Alexandre Koyre (2)
•  Boris Kordemsky (2)
•  Jean Paul Collette (2)
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