TY  - BOOK
AU  - Churchman C West
AU  -  Ackoff Russes L
AU  -  Arnoff E Leonard
TI  - Introduction to operations research
U1  - B2893, J7 
PY  - 1957///
CY  - New York
PB  - John Wiley & sons, Inc.  
KW  - MATHEMATICS
ER  -