TY  - BOOK
AU  - Zimmermann, H.-J.
TI  - Fuzzy set theory--and its applications
SN  - 9788181285195
U1  - 511.322 ZIM-H 
PY  - 2001///
CY  - New York
PB  - Springer
KW  - Operations researchﾠ
KW  - Fuzzy setsﾠ
ER  -