[1] L. Fuchs:
Teilweise geordnete algebraische Strukturen. Studia Mathematica, Band XIX, Vandenhoeck & Ruprecht, Göttingen, 1966.
MR 0204547 |
Zbl 0154.00708
[2] Я. B. Xиoн:
Упорядоченные полугруппы. Изв. Акад. Наук СССР, Сер. Матем. 21 (1957), 209-222.
MR 0088501
[3] О. Kowalski:
On archimedean positively fully ordered semigroups. Ann. Univ. Sci. Budapest. Eötvös Sect. Math. 8 (1965), 97-99.
MR 0256961 |
Zbl 0138.02103
[5] T. Saitô:
Note on the archimedean property in an ordered semigroup. Proc. Japan Acad. 46 (1970), 64-65.
MR 0262135
[6] T. Saitô:
Note on the lexicographic product of ordered semigroups. Proc. Japan Acad. 46 (1970), 413-416.
MR 0360399
[7] T. Saitô:
Archimedean classes in an ordered semigroup I. Czechoslovak Math. J. 26(101) (1976), 218-238.
MR 0406897