TY  - BOOK
AU  - Eckker, Joseph
AU  - Kupeerschmid, Michael
TI  - Introduction to operation research
SN  - 0471884456
U1  - 003 
PY  - 1988///
CY  - New York
PB  - John Wiley and Sons ,Inc
KW  - Feaibility problems pivot matrices
KW  - Linear progamming
ER  -