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Dyfyniad Arddull ChicagoEwald, Gunter. Combinatorial Convexity and Algebraic Geometry. New York: Springer, 1996.
Dyfyniad MLAEwald, Gunter. Combinatorial Convexity and Algebraic Geometry. Springer, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.