Compact unions of closed subsets are closed and compact intersections of open subsets are open
Nachbin, Leopoldo
Portugaliae mathematica, Tome 49 (1992), p. 403-409 / Harvested from Portugaliae Mathematica
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Publié le : 1992-01-01
EUDML-ID : urn:eudml:doc:115797 
@article{3307,
     author = {Nachbin, Leopoldo},
     title = {Compact unions of closed subsets are closed and compact intersections of open subsets are open},
     journal = {Portugaliae mathematica},
     volume = {49},
     year = {1992},
     pages = {403-409},
     zbl = {0784.54002},
     mrnumber = {1300574},
     language = {en},
     url = {http://dml.mathdoc.fr/item/3307}
}

Nachbin, Leopoldo. Compact unions of closed subsets are closed and compact intersections of open subsets are open. Portugaliae mathematica, Tome 49 (1992) pp. 403-409. http://gdmltest.u-ga.fr/item/3307/