On a homotopy classification problem
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Publication:5809027
DOI10.2996/KMJ/1138843062zbMath0045.44201OpenAlexW2020134054MaRDI QIDQ5809027
Publication date: 1951
Published in: Kodai Mathematical Journal (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2996/kmj/1138843062
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