TY  - SER
AU  - Prékopa, András 
TI  - Progress in operations research
T2  - Publications in operations research / Operations Research Society of America
U1  - 658.4034 23
PY  - 1976///
CY  - New York, London
PB  - John Wiley & Sons, inc.
KW  - Operations research
N1  - V. 1 --
ER  -