TY  - BOOK
AU  - Koo, Delia.
TI  - Elements of Optimization with Applications in Economics and Business / 
SN  - 0-387-90263-5
U1  - B:(X) 
PY  - 1980///
CY  - New York 10010 : 
PB  - Springer-Verlag , 
KW  - Optimization
ER  -