References
- Robinson DJS. A course in the theory of groups. New York: Springer-Verlag; 1980.
- Golod ES. Some problems of burnside type. In Proceeding of the Internal Congress of Mathematicians, Moscow: 1966. p. 284–289.
- Heineken H. Engelsche elemente der lange drei. Illionis J Math. 1961;5:681–707.
- Kappe LC, Kappe WP. On three-Engle groups. Bulletin Australian Math Soc. 1972;7:391–405.
- Marty F. Sur une generalization de la notion de groupe. In: 8th Congress of Mathematics, Stockholm, Sweden: Scandenaves; 1934. p. 45–49.
- Rosenfeld A. Fuzzy groups. J Math Anal Appl. 1971;35:512–517.
- Ameri R, Borzooei RA, Mohammadzadeh E. Engel fuzzy subgroups. Ital J Pure Appl Math. 2015;34:251–262.
- Leoreanu-Foteaa V, Davvaz B. Fuzzy hyperrings. Fuzzy Sets Syst. 2009;160:2366–2378.
- Mohammadzadeh E, Borzooei RA. On Engel fuzzy subpolygroups. New Math Natural Comput. 2017;13(2):195–206.
- Mohammadzadeh E, Borzooei RA. Nilpotent fuzzy subgroups. Mathematics. 2018;6(2):27.
- Mohammadzadeh E, Borzooei RA. Results on (Engel, solvable, nilpotent) fuzzy subpolygroups. Kragujev J Math. 2021;45(5):667–684.
- Mohammadzadeh E, Jun YB, Borzooei RA. Results on Engel fuzzy subgroups. Algebra Struct Appl. 2017;4(2):1–14.
- Mordeson JN, Malik MS. Fuzzy commutative algebra. J Fuzzy Math. 1995;3:1–15.
- Sen MK, Ameri R, Chowdhury G. Fuzzy semihypergroups. Soft Comput. 2008;12:891–900.
- Vougiouklis T. Hyperstructures and their representations. Palm Harbor (FL): Hadronic Press; 1994.
- Nozari T, Fahimi N. Fuzzy hyperings and fundamental relation. J Intell Fuzzy Syst. 2016;30:1311–1317.
- Davvaza B, Santilli RM, Vougiouklis T. Algebra hyperalgebra and Lie–Santilli theory. J Gen Lie Theory Appl. 2015;9(2):1–5.
- Sharma RK, Srivastava JB. Lie solvable rings. Proc Am Math Soc. 1985;94(1):1–8.
- Davvaz B. Polygroup theory and related systems. Singapore: World Scientific; 2013.
- Mohammadzadeh E, Mohammadzadeh F. On nilpotent and solvable pair of polygroups. J Algebra Hyperstructures Log Algebra. 2021;2(2):1–12.
- Mohammadzadeh E, Muhiuddin G, Zhan J, et al. Nilpotent fuzzy Lie ideals. J Intell Fuzzy Syst. 2020;39(3):4071–4079.