%0 Journal Article %A V. K. Zakharov %T The Gordon preimage of an Aleksandrov space as an enclosed covering %J Izvestiya. Mathematics %D 1993 %P 405-424 %V 40 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1993_40_2_a4/ %G en %F IM2_1993_40_2_a4