TY  - BOOK
AU  - Sasieni,Maurice  .
AU  - Yaspan,Arthur  .
AU  - Friedman,Lawrence  .
TI  - Operations research : methods and problems / 
T2  - Wiley International Edition, 
U1  - 033 
PY  - 1959///
CY  - New York : 
PB  - John Wiley , 
KW  - OPERATIONS RESEARCH
N1  - NULL
ER  -