%0 Journal Article
%A Nadler, Sam B. jr.
%T Coverings by closed sets
%J Portugaliae mathematica
%D 1967
%P 51-61
%V 26
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1967__26_1_115001/
%G en
%F PORMA_1967__26_1_115001