Séminaire Lotharingien de Combinatoire, B25j (1990), 2 pp.
[Formerly: Publ. I.R.M.A. Strasbourg, 1991, 462/S-25, p. 111-112.]

Udo Hebisch und Wilfried Lex

Ordnungen nichtkommutativer Ringe

Abstract. The cardinalities of non-commutative finite rings are completely determined: there is a non-commutative ring of order n or such a ring with identity if and only if n is not square-free or cube-free, respectively.

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