Gardner, B. J. Ring varieties closed under ideal sums. (English) Zbl 0382.08007 Commentat. Math. Univ. Carol. 18, 569-578 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 08B99 Varieties 16Rxx Rings with polynomial identity × Cite Format Result Cite Review PDF Full Text: EuDML