Douglas, R. R.; Sigrist, F. Homotopy-associative H-spaces which are sphere bundles over spheres. (English) Zbl 0176.21201 Comment. Math. Helv. 44, 308-309 (1969). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document Keywords:topology PDFBibTeX XMLCite \textit{R. R. Douglas} and \textit{F. Sigrist}, Comment. Math. Helv. 44, 308--309 (1969; Zbl 0176.21201) Full Text: DOI EuDML