Determination of the Second Homology and Cohomology Groups of a Space by Means of Homotopy Invariants
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Publication:5837952
DOI10.1073/pnas.32.11.277zbMath0061.40707OpenAlexW2001453730WikidataQ33748919 ScholiaQ33748919MaRDI QIDQ5837952
Saunders Mac Lane, Samuel Eilenberg
Publication date: 1946
Published in: Proceedings of the National Academy of Sciences (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1073/pnas.32.11.277
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