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Publication:3774572
zbMath0635.55021MaRDI QIDQ3774572
Publication date: 1987
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Homotopy groups, general; sets of homotopy classes (55Q05) Obstruction theory in algebraic topology (55S35) Sectioning fiber spaces and bundles in algebraic topology (55S40) Extension and compression of mappings in algebraic topology (55S36)
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