TY  - BOOK
AU  - Beckmann M Ed.
TI  - Lecture notes in economics and mathematical systems
T2  - Lectures notes in operation research and mathematical systems ed by M Beckmann and H P Kunzi; 54
U1  - X80bD65,8(B), L4 
PY  - 1974///
CY  - Berlin
PB  - Springer Verlag      
KW  - ECONOMICS
ER  -