한국수학교육학회지시리즈B:순수및응용수학 (The Pure and Applied Mathematics)
- 제4권2호
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- Pages.151-159
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- 1997
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- 1226-0657(pISSN)
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- 2287-6081(eISSN)
MINIMAL CLOZ-COVERS OF NON-COMPACT SPACES
초록
Observing that for any dense weakly Lindelof subspace of a space Y, X is