scientific article; zbMATH DE number 3367846
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Publication:5640434
zbMath0232.55021MaRDI QIDQ5640434
Publication date: 1971
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Fundamental group, presentations, free differential calculus (57M05) Absolute neighborhood retracts (55M15) Shape theory (55P55) Research exposition (monographs, survey articles) pertaining to algebraic topology (55-02) Shapes (aspects of topological manifolds) (57N25)
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