A combinatorial definition of homotopy groups
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Publication:772008
DOI10.2307/1970006zbMath0091.36901OpenAlexW2331500425WikidataQ107166351 ScholiaQ107166351MaRDI QIDQ772008
Publication date: 1958
Published in: Annals of Mathematics. Second Series (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2307/1970006
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