TY  - BOOK
AU  - Kaplan,Wilfred
TI  - Maxima and minima with application : : practical optimization and duality / 
SN  - 0471252891   
PY  - 1999///.
CY  - New York
PB  - John Wiley, 
KW  - Mathematical optimization
KW  - Maxima and minima
N1  - Includes index; Includes questions and answers
ER  -