TY  - BOOK
AU  - Zimmermann,Hans J
TI  - Fuzzy set theory and its applications 
SN  - 0898381509
AV  - QA248 .Z55 1985
U1  - 511.32 22
PY  - 1985///
CY  - Boston 
PB  - Kluwer-Nijhoff Pub
KW  - Fuzzy sets
KW  - Operations research
N1  - Includes index; Bibliography: p. 343-355
ER  -