TY  - BOOK
AU  - Nanda, S. 
ED  - Das, N. R.
TI  - Fuzzy mathematical concepts
SN  - 9788184870169
U1  - 511.322 3 
PY  - 2010///
CY  - New Delhi
PB  - Narosa Publishing House
KW  - Mathematics
KW  - Fuzzy subsets
KW  - Fuzzy logic
KW  - Group
ER  -