New characterizations of regular open sets, semi-regular sets, and extremally disconnectedness
Mathematica slovaca, Tome 45 (1995) no. 4, pp. 435-444
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Classification : 54A10, 54G05
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Dorsett, Charles. New characterizations of regular open sets, semi-regular sets, and extremally disconnectedness. Mathematica slovaca, Tome 45 (1995) no. 4, pp. 435-444. http://geodesic.mathdoc.fr/item/MASLO_1995_45_4_a11/

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