TY  - BOOK
AU  - Zadeh L A
AU  -  Polak E
TI  - System theory
T2  - Inter-University Electronics Series. Ed. by Charles Susskind, 8
U1  - B2893, K9 
PY  - 1969///
CY  - New York
PB  - McGraw Hill        
KW  - Operational Research
N1  - Bibliography at the end of each chapter
ER  -