Weisstein, E. W. (2003). CRC concise encyclopedia of mathematics (2nd ed.). Chapman & Hall/CRC.
Chicago Edition CitationWeisstein, Eric W. CRC Concise Encyclopedia of Mathematics. 2nd ed. Boca Raton: Chapman & Hall/CRC, 2003.
MLA Edition CitationWeisstein, Eric W. CRC Concise Encyclopedia of Mathematics. 2nd ed. Chapman & Hall/CRC, 2003.
Warning: These citations may not always be 100% accurate.