References
-
S. K. Bhakat, (
${\in}\;{\nu}q$ )–level subset, Fuzzy Sets and Systems 103 (1999), 529–533 -
S. K. Bhakat, (
${\in},\;{\in}\;{\nu}q$ )-fuzzy normal, quasinormal and maximal subgroups, Fuzzy Sets and Systems 112 (2000), 299–312 - S. K. Bhakat and P. Das, On the definition of a fuzzy subgroup, Fuzzy Sets and Systems 51 (1992), 235–241
-
S. K. Bhakat and P. Das, (
${\in},\;{\in}\;{\nu}q$ )-fuzzy subgroup, Fuzzy Sets and Systems 80 (1996), 359–368 - S. K. Bhakat and P. Das, Fuzzy subrings and ideals redefined, Fuzzy Sets and Systems 81 (1996), 383–393
- P. S. Das, Fuzzy groups and level subgroups, J. Math. Anal. Appl. 85 (1981), 264–269
- V. N. Dixit, R. Kumar and N. Ajmal, Level subgroups and union of fuzzy subgroups, Fuzzy Sets and Systems 37 (1990), 359–371
- K. C. Gupta and B. K. Sarma, Operator domains on fuzzy groups, Inform. Sci. 84 (1995), 247–259
-
D. S. Kim, (
${\in},\;{\in}\;{\nu}q$ )–fuzzy subgroups, Far East J. Math. Sci. 8 (2003), 161–172 - P. P. Ming and L. Y. Ming, Fuzzy topology 1: Neighborhood structure of a fuzzy point and Moore-Smith convergence, J. Math. Anal. Appl. 76 (1980), 571–599
- N. P. Mukherjee and P. Bhattacharya, Fuzzy normal subgroups and fuzzy cosets, Inform. Sci. 34 (1984), 225–239
- A. Rosenfeld, Fuzzy groups, J. Math. Anal. Appl. 35 (1971), 512–517
- F. I. Sidky and M. Atif Mishref, Fully invariant, characteristic, and S–fuzzy subgroups, Inform. Sci. 55 (1991), 27–33