A note on functors ${\text {Ext}}$ over the ring $Z$
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References
- Henri Cartan and Samuel Eilenberg, Homological algebra, Princeton University Press, Princeton, N. J., 1956. MR 0077480
- Samuel Eilenberg and Saunders MacLane, Group extensions and homology, Ann. of Math. (2) 43 (1942), 757–831. MR 7108, DOI 10.2307/1968966
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Additional Information
- Journal: Bull. Amer. Math. Soc. 75 (1969), 852-856
- DOI: https://doi.org/10.1090/S0002-9904-1969-12325-6
- MathSciNet review: 0240171