TY  - BOOK
AU  - Koehler Gary J
AU  -  Whinston Andrew B
AU  -  Wright Gordon P
TI  - Optimization over leontief substitution systems
U1  - B2893P,1, L5 
PY  - 1975///
CY  - Amsterdam
PB  - North-holland Publishing        
KW  - linear programming
ER  -