scientific article
zbMath0293.55001MaRDI QIDQ4045336
Publication date: 1974
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Covering spaces and low-dimensional topology (57M10) Homotopy extension properties, cofibrations in algebraic topology (55P05) Homotopy groups, general; sets of homotopy classes (55Q05) Fundamental group, presentations, free differential calculus (57M05) Algebraic topology of manifolds (57N65) Homological algebra in category theory, derived categories and functors (18G99) Research exposition (monographs, survey articles) pertaining to algebraic topology (55-02) General theory of categories and functors (18Axx) Homological algebra in category theory, derived categories and functors (18Gxx) Applied homological algebra and category theory in algebraic topology (55Uxx) General theory of differentiable manifolds (58Axx)
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