%0 Journal Article %A Zbigniew Słodkowski %T An open mapping theorem for analytic multifunctions %J Studia Mathematica %D 1997 %P 117-122 %V 122 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-122-2-117-122/ %R 10.4064/sm-122-2-117-122 %G en %F 10_4064_sm_122_2_117_122