References
Bass, H.: Finitistic Homological Dimension and a Homological Generalization of Semi-primary Rings, Trans. Amer. Math. Soc.95, 466–488 (1960).
Crawley, P., Jónsson, B.: Refinements for Infinite Direct Decompositions of Algebraic Systems, Pacific J. Math.14, 797–855 (1964).
Fuchs, L.: On quasi-injective modules, (to appear).
Kaplansky, I.: Projective Modules, Ann. Math.68, 372–377 (1958).
Pierce, R. S.: Modules over Commutative Regular Rings, Mem. Amer. Math. Soc.70 (1967).
Warfield, R. B., Jr.: A Krull-Schmidt Theorem for Infinite Sums of Modules, Proc. Amer. Math. Soc.22, 460–465 (1969).
—— Decompositions of Injective Modules, Pacific J. Math.31, 263–276 (1969).
Author information
Authors and Affiliations
Additional information
Research supported in part by N.S.F. Grant GP 12189.
Rights and permissions
About this article
Cite this article
Warfield, R.B. Exchange rings and decompositions of modules. Math. Ann. 199, 31–36 (1972). https://doi.org/10.1007/BF01419573
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01419573