TY - JOUR AU - Boscarino, Sebastiano TI - On a class of discontinuous operators in Hilbert spaces JO - Commentationes Mathematicae Universitatis Carolinae PY - 2003 SP - 197 EP - 202 VL - 44 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_2003__44_2_a0/ LA - en ID - CMUC_2003__44_2_a0 ER -