TY  - BOOK
AU  - Dubois,Didier
AU  - Prade,Henri
TI  - Fuzzy sets and systems : theory and applications
SN  - 0122227506
U1  - QA/248 
PY  - 1980///
CY  - Boston
PB  - Academic Press
KW  - Set theory.
KW  - Systems analysis.
N1  - Notes Registration no. 24978
ER  -