TY  - BOOK
AU  - Zangwil Willard I
TI  - Nonlinear programming :  A unified approach   
T2  - Prentice-Hall International Series in Management
U1  - B2891, K9 
PY  - 1969///
CY  - NJ
PB  - Prentice-Hall          
KW  - Linear Programming
N1  - Bibliography P 332-45
ER  -