%0 Journal Article
%A Gutev, Valentin G.
%T Continuous selections, $G_\delta $-subsets of Banach spaces and usco mappings
%J Commentationes Mathematicae Universitatis Carolinae
%D 1994
%P 533-538
%V 35
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1994__35_3_a10/
%G en
%F CMUC_1994__35_3_a10