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Injectivity of polyhedra. (English) Zbl 0343.54028
Semin. uniform Spaces, Prague 1975-1976, 73 (1976).

54C55 Absolute neighborhood extensor, absolute extensor, absolute neighborhood retract (ANR), absolute retract spaces (general properties)
54E15 Uniform structures and generalizations
18A30 Limits and colimits (products, sums, directed limits, pushouts, fiber products, equalizers, kernels, ends and coends, etc.)