TY  - BOOK
AU  - Archibald, G.C.
AU  - Lipsey, Richard G.
TI  - An introduction to mathematical economics: Methods and applications 
SN  - 060403241
PY  - 1976///
CY  - New York
PB  - Harper & Row, 
KW  - Economics, Mathematical
N1  - Includes index
ER  -