TY  - BOOK
AU  - Mordeson, John N , Bhutani, Kiran R , Rosenfeld, Azriel
TI  - Fuzzy group theory
SN  - 3-540-25072-7
U1  - 511.3223 MOR 
PY  - 2005///
CY  - NEW YORK
PB  - SPRINGER
KW  - FUZZY SETS
ER  -