References
C.Faith, Lectures on Injective Modules and Quotient Rings. New York 1967.
J. Hutchinson, Intrinsic extensions of rings. Pacific J. Math.30, 669–677 (1969).
J.Hutchinson, Essential subdirect sums. To appear.
N.Jacobson, Structure of Rings. Providence 1964.
L. Levy, Unique subdirect sums of prime rings. Trans. Amer. Math. Soc.106, 67–76 (1963).
R. Snider, Subdirect decompositions of extension rings. Michigan Math. J.16, 225–226 (1969).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Hutchinson, J.J. Essential subdirect sum decompositions of extension rings. Arch. Math 22, 150–154 (1971). https://doi.org/10.1007/BF01222554
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01222554