%0 Journal Article %A X. Ge %T Spaces with a~locally countable $sn$-network %J Lobachevskii journal of mathematics %D 2007 %P 33-49 %V 26 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_2007_26_a4/ %G en %F LJM_2007_26_a4