TY  - BOOK
AU  - Derbyshire, John
ED  - 
TI  - Unknown quantity: a real and imaginary history of algebra
SN  - 9781843545699
U1  - 512 Der/Unk 
PY  - 2007///
CY  - London
PB  - Atlantic Books
KW  - Algebra- History
N1  - B, Additional black and white photographs, Index
ER  -