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References
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| 1. |
A. H. Clifford, G. B. Preston, The Algebraic Theory of Semigroups, Amer. Math. Soc., Math. Surveys, 7, Providence, Rhode Island, 1964 |
| 2. |
N. Kehayopulu, “On weakly commutative $poe$-semigroups”, Semigroup Forum, 34:3 (1987), 367–370   |
| 3. |
N. Kehayopulu, “Remark on ordered semigroups”, Mathematica Japonica, 35:6 (1990), 1061–1063 |
| 4. |
N. Kehayopulu, “On right regular and right duo ordered semigroups”, Mathematica Japonica, 36:2 (1991), 201–206 |
| 5. |
N. Kehayopulu, M. Tsingelis, “Remark on ordered semigroups”, Decompositions and Homomorphic Mappings of Semigroups, Interuniversitary collection of scientific works, ed. E. S. Ljapin, Obrazovanie, St. Petersburg, 1992, 50–55, ISBN 5–233–00033–4 |
| 6. |
N. Kehayopulu, M. Tsingelis, “On the decomposition of prime ideals of ordered semigroups
into their $\mathcal N$-classes”, Semigroup Forum, 47:3 (1993), 393–395  |
| 7. |
N. Kehayopulu, M. Tsingelis, “On subdirectly irreducible ordered semigroups”, Semigroup Forum, 50:2 (1995), 161–177 |
| 8. |
N. Kehayopulu, M. Tsingelis, “A remark on semilattice congruences in ordered semigroups”, Izv. Yyssh. Uchebn. Zaved. Mat., 2000, no. 2, 50–52 (Russian)  ; translation in Russian Math. (Iz. VUZ), 44:2 (2000), 48–50 |
