Hendriks, Harrie Obstruction theory in 3-dimensional topology: An extension theorem. (English) Zbl 0366.57002 J. Lond. Math. Soc., II. Ser. 16, 160-164 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 ReviewsCited in 8 Documents MSC: 57N10 Topology of general \(3\)-manifolds (MSC2010) 55S35 Obstruction theory in algebraic topology 55S36 Extension and compression of mappings in algebraic topology 57P10 Poincaré duality spaces PDFBibTeX XMLCite \textit{H. Hendriks}, J. Lond. Math. Soc., II. Ser. 16, 160--164 (1977; Zbl 0366.57002) Full Text: DOI