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Duszyński, Zbigniew:
A Note on $\mathcal{R}$-Maps
Bollettino dell'Unione Matematica Italiana Serie 8 10-B (2007), fasc. n.3, p. 697-706, Unione Matematica Italiana (English)
pdf (368 Kb), djvu (92 Kb). | MR 2351538 | Zbl 1142.54004

Sunto

Viene studiata la ricchezza della classe delle $\mathcal{R}$-mappe [3]. Vengono anche indicate numerose conseguenze per la teoria degli spazi quasi-$\mathcal{H}$-chiusi (vedi Lemma 5).
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