%0 Journal Article %A Worrell, J.M. jr. %T On collections of domains inscribed in a covering of a space in the sense of Alexandroff and Urysohn %J Portugaliae mathematica %D 1967 %P 405-420 %V 26 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1967__26_4_115044/ %G en %F PORMA_1967__26_4_115044