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Dyfyniad Arddull ChicagoSpiegel, Murray R. Vector Analysis and an Introduction to Tensor Analysis. New York: McGraw-hill, 1959.
Dyfyniad MLASpiegel, Murray R. Vector Analysis and an Introduction to Tensor Analysis. McGraw-hill, 1959.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.