Eckmann, Beno; Hilton, Peter J. Groupes d’homotopie et dualitĂ©. Suites exactes. (French) Zbl 0092.40001 C. R. Acad. Sci., Paris 246, 2555-2558 (1958). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 Documents Keywords:topology PDF BibTeX XML Cite \textit{B. Eckmann} and \textit{P. J. Hilton}, C. R. Acad. Sci., Paris 246, 2555--2558 (1958; Zbl 0092.40001) OpenURL