TY  - GEN
AU  - Zimmerman, H J
TI  - Fuzzy set theory and its applications
T2  - International series in management science/operations research
U1  - 511.32 
PY  - 1985///
CY  - Boston
PB  - Kluwer-Nijhoff Pub
KW  - Fuzzy set; Operations research
ER  -