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  MathWorld [Details]

The Web's most extensive mathematical resource.

Also Helpful

  Encyclopaedia of mathematics : an updated and annotated translation of the Soviet "Mathematical encyclopaedia" [Details]

Dordrecht ; Boston : Reidel ; Norwell, MA, U.S.A,1988 ReferenceQA5 .M3713 1988

  Encyclopedic dictionary of mathematics [Details]

Cambridge, Mass. : MIT Press, c1987 QA5.I8313 1987