%0 Journal Article
%A V. I. Ponomarev
%T Star-finite coverings and open-closed sets
%J Doklady Akademii Nauk
%D 1969
%P 1016-1019
%V 186
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_186_5_a8/
%G ru
%F DAN_1969_186_5_a8