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The automorphism group of a class of semigroups. (English) Zbl 0364.20070

MSC:
20M10 General structure theory for semigroups
16Y30 Near-rings
20B25 Finite automorphism groups of algebraic, geometric, or combinatorial structures
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References:
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[3] Ferrero, G.: Stems planari e BIB-designi. Riv. Mat. Univ. Parma11, 1-18 (1970). · Zbl 0244.05008
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[6] Szeto, G.: The sub-semi-groups excluding zero of a near-ring. Mh. Math.77, 357-362 (1973). · Zbl 0277.16024
[7] Szeto, G.: On the planarity of rings. J. Alg. (To appear.) · Zbl 0327.50002
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