TY  - BOOK
AU  - Zimmermann,H.-J
TI  - Fuzzy set theory--and its applications
SN  - 8170235251
U1  - 511.322 20
PY  - 1991///
CY  - Boston
PB  - Kluwer Academic Publishers
KW  - Fuzzy sets
KW  - Operations research
N1  - Includes bibliographical references and index
ER  -