| Title: | Ring varieties closed under ideal sums (English) | 
| Author: | Gardner, Barry J. | 
| Language: | English | 
| Journal: | Commentationes Mathematicae Universitatis Carolinae | 
| ISSN: | 0010-2628 (print) | 
| ISSN: | 1213-7243 (online) | 
| Volume: | 18 | 
| Issue: | 3 | 
| Year: | 1977 | 
| Pages: | 569-578 | 
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| Category: | math | 
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| MSC: | 08A15 | 
| MSC: | 08B99 | 
| MSC: | 16A38 | 
| MSC: | 16Rxx | 
| idZBL: | Zbl 0382.08007 | 
| idMR: | MR0485628 | 
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| Date available: | 2008-06-05T20:55:53Z | 
| Last updated: | 2012-04-28 | 
| Stable URL: | http://hdl.handle.net/10338.dmlcz/105801 | 
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| Reference: | [1] B. J. GARDNER: Semi-simple radical classes of algebras and attainability of identities.Pacific J. Math. 61 (1975), 401-416. MR 0399190 | 
| Reference: | [2] B. J. GARDNER: Extension-closed varieties of rings need not have attainable identities.submitted. Zbl 0393.17002, MR 0545800 | 
| Reference: | [3] B. J. GARDNER P. N. STEWART: On semi-simple radical classes.Bull. Austral. Math. Soc. 13 (1975), 349-353. MR 0396643 | 
| Reference: | [4] O. GOLDMAN: Hilbert rings and the Hilbert Nullstellensatz.Math. Z. 54 (1951), 136-140. Zbl 0042.26401, MR 0044510 | 
| Reference: | [5] I. N. HERSTEIN: Noncommutative rings.Carus Monograph No. 15, Mathematical Association of America, (1968). Zbl 0177.05801, MR 1449137 | 
| Reference: | [6] J. M. OSBORN: Varieties of algebras.Advances in Math. 8 (1972), 163-169. Zbl 0232.17001, MR 0289587 | 
| Reference: | [7] T. S. SHORES: A note on products of normal subgroups.Canad. Math. Bull. 12 (1969), 21-24. Zbl 0177.03502, MR 0244360 | 
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