%0 Journal Article
%A V. I. Ponomarev
%T On metric spaces and continuous mappings associated with them
%J Doklady Akademii Nauk
%D 1963
%P 1013-1016
%V 153
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1963_153_5_a6/
%G ru
%F DAN_1963_153_5_a6