Sareen, S. (2000). Encyclopaedic dictionary of mathematics: (D - F). Sarup & Sons.
Dyfyniad Arddull ChicagoSareen, Sunny. Encyclopaedic Dictionary of Mathematics: (D - F). New Delhi: Sarup & Sons, 2000.
Dyfyniad MLASareen, Sunny. Encyclopaedic Dictionary of Mathematics: (D - F). Sarup & Sons, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.