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Dyfyniad Arddull ChicagoStruble, Raimond A. Non Linear Differential Equations. New Delhi: Tata McGraw-Hill, 1962.
Dyfyniad MLAStruble, Raimond A. Non Linear Differential Equations. Tata McGraw-Hill, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.