TY  - BOOK
AU  - Gass, Saul I.
TI  - Linear programming: methods and applications
U1  - 519.72 21st ed
PY  - 1964///
CY  - New York
PB  - McGraw Hill Book Company
KW  - Linear programming
KW  - Duality theory (Mathematics)
KW  - parametric linear programming
ER  -