TY  - BOOK
AU  - Kaufmann, A.
AU  - Zadeh, L.
AU  - Swanson, D.
TI  - Introduction to the Theory of Fuzzy Subsets : Fundamental Theoretical Elements
SN  - 0124023010
PY  - 1975///
CY  - Orlando
PB  - Academic Press Inc
KW  - Set Theory
ER  -