TY  - GEN
AU  - Gribik, Paul R.
AU  - Kortanek, Kenneth O
TI  - Extremal methods of operationals research 
SN  - 0824774744
U1  - 658.4034 
PY  - 1985///
CY  - New York
PB  - Mandarin
KW  - Operations research
ER  -