References
A. H. Clifford andG. B. Preston,The algebraic theory of semigroups, I, Amer. Math. Soc., Providence, 1961.MR 24 # A2627
J. Dénes, Transformations and transformation semigroups. (To appear)
K. Todorov, O podpolugruppah simmetričeskoi polugruppy s fiksirovannoi oblast'ju značenii i ih porjadkovyh čislah (The subsemigroups of the symmetric semigroup with a fixed range of values, and their ordinal numbers),C. R. Acad. Bulgare Sci. 29 (1976), 299–301.MR 53 # 8307
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Todorov, K., Kračolova, L. On the rectangular bands of groups ofD-classes of the symmetric semigroup. Period Math Hung 13, 97–104 (1982). https://doi.org/10.1007/BF01848138
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DOI: https://doi.org/10.1007/BF01848138