TY  - BOOK
AU  - Derbyshire, John
TI  - Unknown quantity : a real and imaginary history of algebra
SN  - 9780452288539
U1  - 512.009 DER 
PY  - 2006///
CY  - New York
PB  - Plume
KW  - Mathematics
N1  - Includes bibliographical references and index
ER  -