%0 Journal Article %A Li, Zhaowen %T On weak-open $\pi$-images of metric spaces %J Czechoslovak Mathematical Journal %D 2006 %P 1011-1018 %V 56 %N 3 %U http://geodesic.mathdoc.fr/item/CMJ_2006_56_3_a19/ %G en %F CMJ_2006_56_3_a19