%0 Journal Article %A Boscarino, Sebastiano %T On a class of discontinuous operators in Hilbert spaces %J Commentationes Mathematicae Universitatis Carolinae %D 2003 %P 197-202 %V 44 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_2003__44_2_a0/ %G en %F CMUC_2003__44_2_a0