Geodesic
The class of $\aleph$-spaces is invariant of closed mappings with Lindelöf fibres
Commentationes Mathematicae Universitatis Carolinae, Tome 29 (1988) no. 2, pp. 351-354 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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Classification : 54C10, 54E18 
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     title = {The class of $\aleph$-spaces is invariant of closed mappings with {Lindel\"of} fibres},
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}
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Sun, Shu Hao. The class of $\aleph$-spaces is invariant of closed mappings with Lindelöf fibres. Commentationes Mathematicae Universitatis Carolinae, Tome 29 (1988) no. 2, pp. 351-354. http://geodesic.mathdoc.fr/item/CMUC_1988_29_2_a17/

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