%0 Journal Article
%A V. Sh. Yusufov
%T Open openly covering maps
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1990
%P 175-176
%V 45
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1990_45_6_a22/
%G en
%F RM_1990_45_6_a22