TY  - BOOK
AU  - Kaplan Wilfred
TI  - Maxima and minima with applications: practical optimization and duality
SN  - 0-471-25289-1
U1  - 511.66 
PY  - 1999///
CY  - New York
PB  - John Wiley
KW  - Mathematical optimization
KW  - Maxima and minima
ER  -