Frucht, W. (1999). Imaginary numbers: An anthology of marvelous mathematical stories. John Wiley & Sons.
Dyfyniad Arddull ChicagoFrucht, Williamed. Imaginary Numbers: An Anthology of Marvelous Mathematical Stories. New York: John Wiley & Sons, 1999.
Dyfyniad MLAFrucht, Williamed. Imaginary Numbers: An Anthology of Marvelous Mathematical Stories. John Wiley & Sons, 1999.
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