TY  - BOOK
AU  - Zimmermann H J
TI  - Fuzzy set theory and its applications
T2  - International series in management science operations research
U1  - B316, M5 
PY  - 1985///
CY  - Dordrecht
PB  - Klumer Academic Publishers        
KW  - Analysis
N1  - Bibliography : P 343-55
ER  -