Source of CiffordAlgebra

TITLE:クリフォード代数
[[Algebra]] > [[CiffordAlgebra]]

- http://en.wikipedia.org/wiki/Clifford_algebra
- http://www.tk-labo.com/pdf/CliffordAlgebra.pdf
- http://www.f.waseda.jp/homma_yasushi/homma2/download/syutyukougi.pdf