1 |
A. Rosenfeld, Fuzzy groups, J. Math. Anal. Appl. 35 (1971), 512-517. https://doi.org/10.1016/0022-247X(71)90199-5
DOI
|
2 |
H. Sherwood, Products of fuzzy subgroups, Fuzzy Sets and Systems 11 (1983), no. 1, 79-89. https://doi.org/10.1016/S0165-0114(83)80070-0
DOI
|
3 |
P. Sivaramakrishna Das, Fuzzy groups and level subgroups, J. Math. Anal. Appl. 84 (1981), no. 1, 264-269. https://doi.org/10.1016/0022-247X(81)90164-5
DOI
|
4 |
L. A. Zadeh, Fuzzy sets, Information and Control 8 (1965), 338-353.
DOI
|
5 |
V. Murali and B. B. Makamba, On methods of counting preferential fuzzy subgroups, Adv. Fuzzy Sets Syst. 3 (2008), no. 1, 21-42.
|
6 |
B. B. Makamba, Studies in fuzzy groups, PhD Thesis, Rhodes University, Grahamstown, South Africa, 1992.
|
7 |
M. M. Munywoki and B. B. Makamba, Classifying fuzzy subgroups of the abelian group x x ... x for distinct primes , , ..., , Ann. Fuzzy Math. Inform. 13 (2017), no. 2, 289-296.
DOI
|
8 |
V. Murali and B. B. Makamba, On an equivalence of fuzzy subgroups. I, Fuzzy Sets and Systems 123 (2001), no. 2, 259-264. https://doi.org/10.1016/S0165-0114(00)00098-1
DOI
|
9 |
V. Murali and B. B. Makamba, On an equivalence of fuzzy subgroups. II, Fuzzy Sets and Systems 136 (2003), no. 1, 93-104. https://doi.org/10.1016/S0165-0114(02)00140-9
DOI
|
10 |
V. Murali and B. B. Makamba, Counting the number of fuzzy subgroups of an abelian group of order , Fuzzy Sets and Systems 144 (2004), no. 3, 459-470. https://doi.org/10.1016/S0165-0114(03)00224-0
DOI
|
11 |
O. Ndiweni, The classification of some fuzzy subgroups of finite groups under a natural equivalence and its extension, with particular emphasis on the number of equivalence classes, MS Thesis, University of Fort Hare, Alice, South Africa, 2007.
|
12 |
O. Ndiweni and B. B. Makamba, Distinct fuzzy subgroups of some dihedral groups, Adv. Fuzzy Sets Syst. 9 (2011), no. 1, 65-91.
|