TY  - BOOK
AU  - Derbyshire, John
TI  - Unknown quantity : a real and imaginary history of algebra
SN  - 9781843545705
SN  - 200503701
U1  - 512.009 DER 
PY  - 2006///
CY  - Washington, D.C
PB  - Joseph Henry Press
KW  - Mathematics
N1  - Includes bibliographical references and index
ER  -