Gardner, B. J. Extension-closed varieties of rings need not have attainable identities. (English) Zbl 0393.17002 Bull. Malays. Math. Soc., II. Ser. 2, 36-39 (1979). Reviewer: B. J. Gardner (Hobart) Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Review MSC: 17A30 Nonassociative algebras satisfying other identities 17A60 Structure theory for nonassociative algebras 08B05 Equational logic, Mal’tsev conditions Keywords:variety; attainable identities; nonassociative rings Citations:Zbl 0228.08007; Zbl 0308.17001 × Cite Format Result Cite Review PDF