TY  - BOOK
AU  - Bancroft,Gordon
AU  - Fletcher,Michael
TI  - Polish up your mathematics
SN  - 0582297214
AV  - HB135 .B36 1987
U1  - 513/.12�19 
PY  - 1987///
CY  - London, New York
PB  - Longman
KW  - Economics, Mathematical
ER  -