TY  - GEN
AU  - Atanassov,Krassimir T.
TI  - On intuitionistic fuzzy sets theory
U1  - 511.3223 
PY  - 2012///
CY  - Berlin
PB  - Springer
KW  - Mathematics
KW  - Fuzzy sets
KW  - Logic, symbolic and mathematical
KW  - Number theory
ER  -