scientific article; zbMATH DE number 3582873
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zbMath0374.54033MaRDI QIDQ4151368
Publication date: 1978
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Special properties of topological spaces (54F99) Absolute neighborhood extensor, absolute extensor, absolute neighborhood retract (ANR), absolute retract spaces (general properties) (54C55)
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