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Note on products in $ {\rm Ext}$


Author: Nobuo Yoneda
Journal: Proc. Amer. Math. Soc. 9 (1958), 873-875
MSC: Primary 18.20
DOI: https://doi.org/10.1090/S0002-9939-1958-0175957-2
MathSciNet review: 0175957
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References [Enhancements On Off] (What's this?)

  • [1] H. Cartan and S. Eilenberg, Homological algebra, Princeton, 1956. MR 0077480 (17:1040e)
  • [2] N. Yoneda, On the homology theory of modules, J. Fac. Sci. Univ. Tokyo Sect. I. vol. 7 (1954) pp. 193-227. MR 0068832 (16:947d)
  • [3] -, On Ext and exact sequences, To appear.

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DOI: https://doi.org/10.1090/S0002-9939-1958-0175957-2
Article copyright: © Copyright 1958 American Mathematical Society

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