TY  - BOOK
AU  - Derbyshire, John
AU  - 
TI  - Unknown Quantity: a real and imaginary  history of algebra
SN  - 9780452288539
U1  - 512(091) 
PY  - 2007///
CY  - Washington
PB  - Plume Book
KW  - Algebra- History
KW  - Equations- History
KW  - Algebra, Abstract-History
KW  - Geometry, Algebraic-History
ER  -