# Cohomology theory of abelian groups and homotopy theory I.

@article{Eilenberg1950CohomologyTO,
title={Cohomology theory of abelian groups and homotopy theory I.},
author={Samuel Eilenberg and Saunders Maclane},
journal={Proceedings of the National Academy of Sciences of the United States of America},
year={1950},
volume={36 8},
pages={
443-7
}
}
• Published 1 August 1950
• Mathematics
• Proceedings of the National Academy of Sciences of the United States of America
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