Трудная задача

Источники

A. Forges. The Devil and Simon Flagg. The Magazine of Fantasy and Science Fiction, New York, 1954. В. A. Heinlein. And He Built a Crooked House. Fantasia Mfathematica. Simon and Schuster, New York, 1958. A. Dark. Superiority. Fantasia Mathematica. Simon and Schuster, New York, 1958. A. J. Deutsch. A Subway Named Moebius. Fantasia Mathematica. Simon and Schuster, New York, 1958. J. Blish. Statistcian's Day. Science Against Man. Avon, New York, 1970. E. Mackin. The Trouble With H. A. B. I. Science Fiction Oddities. Second Series. Rapp and Whiting, London, 1966. A. dark. No Morning After. The Nine Billions Names of God. Harcourt, Brace and World Inc., New York, 1967. M. Gardner. No-sided Professor. Fantasia Mathematica, Simon and Schuster, New York, 1958. M. Gardner. The Island of Five Colours, Fantasia Mathematica, Simon and Schuster, New York, 1958. H. S. Keeler. John Jone's Dollar. Fantasia Mathematica. Simon and Schuster, New York, 1958. В. Elliot. The Last Magician. Fantasia Mathematica. Simon and Schuster, New York, 1958. F. Ibanez Cerrador. La Mision. Cuentos Espaiioles De Ciencia Ficcion. Barcelona, IDHASA, 1967. U. Le Guin. The Masters. Fantastic, February, 1963. В. Maloney. Inflexible Logic. Fantasia Mathematica. Simon and Schuster, New York, 1958. A. dark. The Wall of Darkness. The Nine Billions Names of God. Harcourt, Brace and World Inc., New York, 1967. J. Pierce. See No Evil. Science Fiction Oddities. Second Series, Rapp and Whiting, London, 1966. A. dark. Trouble With Time. The None Billions Names of God. Harcourt, Brace and World Inc., New York, 1967. R. M. Coates. The Law. The World of Mathematics, v. 4. Simon and Schuster, New York, 1956. G. Klein. Les voix de l'espace. Les porles du temps, Paris, 1958. I. Asimov. The Machin that Worn the War. Magazin of Fantasy and Science Fiction, October, 1961.