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Dyfyniad Arddull ChicagoLang, Serge. Introduction to Differentiable Manifolds .-2nded. 2nd ed. New York: Springer, 2002.
Dyfyniad MLALang, Serge. Introduction to Differentiable Manifolds .-2nded. 2nd ed. Springer, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.