%0 Journal Article %A Zajíček, Luděk %T On the points of multivaluedness of metric projections in separable Banach spaces %J Commentationes Mathematicae Universitatis Carolinae %D 1978 %P 513-523 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1978__19_3_a7/ %G en %F CMUC_1978__19_3_a7