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Journal Article A CERTAIN OPEN MANIFOLD WHOSE GROUP IS UNITY Get access J. H. C. WHITEHEAD J. H. C. WHITEHEAD Oxford Search for other works by this author on: Oxford Academic Google Scholar The Quarterly Journal of Mathematics, Volume os-6, Issue 1, 1935, Pages 268–279, https://doi.org/10.1093/qmath/os-6.1.268 Published: 01 January 1935 Article history Published: 01 January 1935 Received: 29 May 1935
J. H. C. Whitehead (Tue,) studied this question.