%0 Journal Article
%A Phan Đìni Diêu
%T On closed and open sets in constructive topological spaces
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1967
%P 250-256
%V 93
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1967_93_a12/
%G ru
%F TM_1967_93_a12