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Dyfyniad Arddull ChicagoHadamard, Jacques. The Mathematician's Mind: The Psychology of Invention in the Mathematical Field. Princeton: Princeton University Press, 1997.
Dyfyniad MLAHadamard, Jacques. The Mathematician's Mind: The Psychology of Invention in the Mathematical Field. Princeton University Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.