(2000). Dictionary of mathematics. Univ.Pr.
Dyfyniad Arddull ChicagoDictionary of Mathematics. Hyderabad: Univ.Pr, 2000.
Dyfyniad MLADictionary of Mathematics. Univ.Pr, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
(2000). Dictionary of mathematics. Univ.Pr.
Dyfyniad Arddull ChicagoDictionary of Mathematics. Hyderabad: Univ.Pr, 2000.
Dyfyniad MLADictionary of Mathematics. Univ.Pr, 2000.