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Various aspects of the three-dimensional Poincaré problem. (English) Zbl 0298.55002

Topology of Manifolds, Proc. Univ. Georgia 1969, 140-152 (1971).

MSC:

57M40 Characterizations of the Euclidean \(3\)-space and the \(3\)-sphere (MSC2010)
57M05 Fundamental group, presentations, free differential calculus
57M20 Two-dimensional complexes (manifolds) (MSC2010)
57N10 Topology of general \(3\)-manifolds (MSC2010)