Document Zbl 0176.20102

Retractions onto ANR’s. (English) Zbl 0176.20102

Proc. Am. Math. Soc. 21, 618-620 (1969).

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54C55

Absolute neighborhood extensor, absolute extensor, absolute neighborhood retract (ANR), absolute retract spaces (general properties)

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any	anywhere
an	internal document identifier
au	author, editor
ai	internal author identifier
ti	title
la	language
so	source
ab	review, abstract
py	publication year
rv	reviewer
cc	MSC code
ut	uncontrolled term
dt	document type (j: journal article; b: book; a: book article)